1 "Stamens free or mostly so (inserted in a ring on the hypanthium rim; rarely with the stamens in part free and in part irregularly fused in groups within a flower, or with the free stamens 5-grouped)" 2 1 "Stamens fused (inserted in five bundles on the hypanthium rim)" 3 2 "Staminal filaments white, cream, green or pink (includes creamy green, yellowish, but never shades of mauve or magenta)" "Melaleuca nervosa" 2 "Staminal filaments red, mauve or magenta (never creamy shades)" "Melaleuca citrina" 3 "Leaves opposite and decussate or ternate" 4 3 "Leaves spiral" 55 4 "Leaves opposite and decussate" 5 4 "Leaves ternate" 39 5 "Leaves peltate" 6 5 "Leaves not peltate" 13 6 "Staminal filaments less than 12 mm long" 7 6 "Staminal filaments more than 12 mm long" 12 7 "Flowers in monads or dyads" 8 7 "Flowers in triads" 10 8 "Flowers in dyads" "Melaleuca minutifolia" 8 "Flowers in monads" 9 9 "Leaf blade in transverse section lunate or broadly v-shaped; calyx lobes 1.5-2 mm long" "Melaleuca agathosmoides" 9 "Leaf blade in transverse section semicircular, transversely elliptic or subcircular; calyx lobes 0.7-0.9 mm long" "Melaleuca sculponeata" 10 "Leaves amplexicaul, spreading-ascending to spreading, the blade in transverse section depressed angular-obovate, strongly depressed obtriangular, depressed obovate or shallowly lunate (ovules 8-10 per locule)" "Melaleuca cucullata" 10 "Leaves not amplexicaul, ascending to spreading, the blade in transverse section lunate, sublunate (evenly thick and shallowly curved), strongly sublunate-curved, subreniform, transversely semielliptic or depressed obovate" 11 11 "Inflorescence an interstitial spike or head (at anthesis it may be pseudoterminal); leaves incurved to straight in lateral view, 0.8-1.5 mm wide; ovules 15-20 per locule" "Melaleuca quadrifaria" 11 "Inflorescence a lateral spike (among or below the leaves); leaves recurved to straight, 1.4-3.8 mm wide; ovules 7-13 per locule" "Melaleuca adnata" 12 "Leaf blade subulate to linear-elliptic, 8-14 times as long as wide" "Melaleuca eximia" 12 "Leaf blade narrowly ovate, 2.7-3.8 times as long as wide" "Melaleuca penicula" 12 "Leaf blade elliptic to ovate, 1.5-2.2 times as long as wide" "Melaleuca coccinea" 13 "Stamens dimorphic" "Melaleuca violacea" 13 "Stamens monomorphic" 14 14 "Staminal filaments less than 10 mm long" 15 14 "Staminal filaments more than 10 mm long" 35 15 "Flowers in monads (very rarely, and then in part within the inflorescence, in dyads)" 16 15 "Flowers in triads (sometimes proximal and/or distal flowers may be in monads)" 34 16 "Fruiting hypanthium distinctly embedded in the rachis or stem" "Melaleuca platycalyx" 16 "Fruiting hypanthium not distinctly embedded in the rachis or stem (however the rachis may be compressed by the fruit)" 17 17 "Inflorescence a lateral cluster among or below the leaves (growth from the apex of the inflorescence may continue after flowering)" 18 17 "Inflorescence an interstitial spike or cluster of flowers on a leafy branchlet, or the inflorescence terminating a pre-existing axis (growth usually continues from the apex of the inflorescence after flowering; sometimes spikes may be inserted laterally, i.e. below the leaves or in the distal leaf axils of a branchlet, or both terminal and lateral inflorescences may be present)" 24 18 "Hypanthium glabrous" 19 18 "Hypanthium hairy or glabrescent" 23 19 "Stamens 2-7 per bundle" 20 19 "Stamens 8-29 per bundle" 21 20 "Leaf blade very narrowly elliptic to narrowly elliptic; staminal filaments 2.2-2.5 mm long" "Melaleuca pauciflora" 20 "Leaf blade broadly ovate; staminal filaments 5.8-7 mm long" "Melaleuca pritzelii" 21 "Flowers bracteolate" "Melaleuca dempta" 21 "Flowers ebracteolate" 22 22 "Staminal filaments white, cream or yellow" "Melaleuca acuminata" 22 "Staminal filaments pink, mauve or purple" "Melaleuca basicephala" 23 "Leaves 3-veined; stamens 6-15 per bundle" "Melaleuca ordinifolia" 23 "Leaves 5-7-veined; stamens 22-25 per bundle" "Melaleuca calycina" 24 "Stamens 2-4 per bundle" "Melaleuca pritzelii" 24 "Stamens more than 6 per bundle" 25 25 "Stamens 32-105 per bundle" "Melaleuca linariifolia" 25 "Stamens 6-29 per bundle" 26 26 "Hypanthium glabrous" 27 26 "Hypanthium hairy or glabrescent" 33 27 "Calyx lobes hairy on the abaxial surface" "Melaleuca sciotostyla" 27 "Calyx lobes glabrous on the abaxial surface" 28 28 "Bract subtending each flower (i.e. monad) absent at anthesis (leaf blade apex narrowly acuminate or narrowly acute, never rounded to obtuse; 1-12 monads per inflorescence)" "Melaleuca adenostyla" 28 "Bract subtending each flower (i.e. monad) present at anthesis (leaf blade apex never narrowly acuminate or narrowly acute; 1-5 monads per inflorescence)" 29 29 "Leaves 1.1-1.9 times as long as wide, 2.5-6.2 mm wide" "Melaleuca dempta" 29 "Leaves 1.9-6.7 times as long as wide, 0.7-2.2 mm wide" 30 30 "Inflorescence axis lanuginulose, sometimes lanuginulose-puberulous to puberulous" 31 30 "Inflorescence axis pubescent or puberulous" 32 31 "Bracts subtending the inflorescence often numerous and often forming four distinct longitudinal series; leaves 2.6-9 mm long" "Melaleuca halmaturorum" 31 "Bracts subtending the inflorescence often few and rarely forming four distinct longitudinal series; leaves 1.8-3.7 mm long" "Melaleuca subalaris" 32 "Calyx lobes herbaceous to or almost to the margin (the scarious marginal band up to 0.1 mm wide)" "Melaleuca cuticularis" 32 "Calyx lobes herbaceous in the proximal-central region with the scarious marginal band 0.2-0.3 mm wide" "Melaleuca sparsiflora" 33 "Leaf blade ovate or broadly ovate (rarely narrowly ovate), with early deciduous pubescent hairs; leaves 5-12 mm long, 1.2-2.6 times as long as wide" "Melaleuca calycina" 33 "Leaf blade elliptic to very narrowly elliptic, narrowly obovate or very narrowly ovate (rarely linear-elliptic or linear-ovate), with often early deciduous hairs at least some of which are lanuginulose; leaves 3-10.6 mm long, 2.2-6.6 times as long as wide" "Melaleuca haplantha" 34 "Branchlets with bud scales (leaf blade narrowly elliptic, linear-elliptic, narrowly obovate, or narrowly oblong)" "Melaleuca eleuterostachya" 34 "Branchlets without bud scales (if present, then only subtending axillary growth flushes, i.e. not subtending growth flushes that continue a pre-existing axis)" "Melaleuca quadrifaria" 35 "Stamens with the bundle claw 3.5 mm long or less" "Melaleuca sparsiflora" 35 "Stamens with the bundle claw 4.5 mm long or more" 36 36 "Stamens with the free portion of the filaments diverging from the apex or distal 1/4 of the bundle claw" "Melaleuca elliptica" 36 "Stamens with the free portion of the filaments diverging from the distal half or more of the bundle claw" 37 37 "Flowering hypanthium not compressed at the base and when detached leaving a circular, broadly elliptic or ovate scar on the inflorescence axis" "Melaleuca linariifolia" 37 "Flowering hypanthium compressed at the base and when detached leaving an oblong, narrowly elliptic, or narrowly ovate scar on the inflorescence axis" 38 38 "Stamens 30-90 per bundle, the filaments (incl. the claw) typically mauve or pink; fruit without sepaline teeth" "Melaleuca radula" 38 "Stamens 22-37 per bundle, , the filaments (incl. the claw) typically red; fruit with or without sepaline teeth" "Melaleuca fulgens" 39 "Leaves without venation" "Melaleuca micromera" 39 "Leaves with venation (at least a midrib present)" 40 40 "Stamens 19-30 per bundle" "Melaleuca lecanantha" 40 "Stamens 2-16 per bundle" 41 41 "Inflorescence a lateral cluster of flowers" 42 41 "Inflorescence a spike or head of flowers (usually terminating a pre-existing shoot but sometimes lateral among or below the leaves)" 44 42 "Inflorescence axis hairy (staminal filaments 5.8-7 mm long, the stamens 2-4 per bundle)" "Melaleuca pritzelii" 42 "Inflorescence axis glabrous" 43 43 "Staminal filaments 2.2-2.5 mm long, the stamens 2-7 per bundle" "Melaleuca pauciflora" 43 "Staminal filaments 5.2-6.3 mm long, the stamens 10-12 per bundle" "Melaleuca brevifolia" 44 "Sepaline teeth, or calyx lobes on fruit, erect to inflexed" 45 44 "Sepaline teeth spreading to spreading-ascending" 53 45 "Hypanthium hairy (distinctly so)" 46 45 "Hypanthium glabrous (or effectively so, rarely a few hairs present)" 48 46 "Leaf blade ovate, broadly ovate, elliptic, obovate, broadly obovate, subcircular, narrowly ovate, or oblong; leaves 1-4.6 times as long as wide" "Melaleuca densa" 46 "Leaf blade very narrowly elliptic, very narrowly ovate, linear-elliptic, linear-ovate, linear, or very narrowly obovate, or elliptic; leaves 1.7-24.3 times as long as wide" 47 47 "Leaf blade with the oil glands distinct" "Melaleuca incana" 47 "Leaf blade with the oil glands obscure" "Melaleuca viminea" 48 "Leaf blade with the oil glands scattered" "Melaleuca blaeriifolia" 48 "Leaf blade with the oil glands in rows or more or less in rows" 49 49 "Leaf blade in lateral view incurved" 50 49 "Leaf blade in lateral view straight to recurved" 51 50 "Stamens 3-5 per bundle" "Melaleuca araucarioides" 50 "Stamens 7-11 per bundle" "Melaleuca phoidophylla" 51 "Petals lacking oil glands" "Melaleuca phoidophylla" 51 "Petals with oil glands" 52 52 "Leaf blade in lateral view straight or slightly recurved; style 5.6-6 mm long" "Melaleuca bracteosa" 52 "Leaf blade usually strongly recurved; style 7-12 mm long" "Melaleuca viminea" 53 "Stamens with the free part of the filaments inserted on the distal one- to three quarters of the bundle claw (rarely at the apex only)" "Melaleuca incana" 53 "Stamens with the free part of the filaments inserted at the apex of the bundle claw" 54 54 "Staminal filaments 1.8-5 mm long" "Melaleuca araucarioides" 54 "Staminal filaments 6.5-7.7 mm long" "Melaleuca blaeriifolia" 55 "Leaves not peltate" 56 55 "Leaves peltate" 396 56 "Flowers in spikes" 57 56 "Flowers not in spikes (in heads or lateral clusters, or inflorescence few- to 1-flowered)" 168 57 "Flowers in monads or dyads (consistently so within the inflorescence)" 58 57 "Flowers in triads (usually consistently so within an inflorescence, sometimes in part in monads)" 111 58 "Stamens dimorphic" "Melaleuca pulchella" 58 "Stamens monomorphic" 59 59 "Hypanthium glabrous or effectively so" 60 59 "Hypanthium hairy or glabrescent" 92 60 "Staminal filaments up to 12 mm long" 61 60 "Staminal filaments more than 12 mm long" 84 61 "Leaf blade with the oil glands in rows or more or less so" 62 61 "Leaf blade with the oil glands scattered" 71 62 "Stamens with the bundle claw up to 0.2 times the length of the stamens" 63 62 "Stamens with the bundle claw more than 0.3 times the length of the stamens" 64 63 "Fruit with sepaline teeth; hypanthium 2-3 mm long" "Melaleuca torquata" 63 "Fruit without sepaline teeth; hypanthium 1-2.2 mm long" "Melaleuca xerophila" 64 "Style hooked or distinctly flexuous (never curved or gently flexuous)" "Melaleuca xerophila" 64 "Style straight or more or less so" 65 65 "Inflorescence axis puberulous to pubescent" 66 65 "Inflorescence axis glabrous or if hairy with at least some of the hairs lanuginulose or lanuginose (lanuginulose, lanuginose, lanuginulose-puberulous, or lanuginose-pubescent)" 67 66 "Fruit with or without sepaline teeth, if present then the teeth erect; calyx lobes 0.5-1 mm long; petals 1.2-2.6 mm long" "Melaleuca viminea" 66 "Fruit with sepaline teeth, the teeth spreading to spreading-ascending; calyx lobes 1-1.5 mm long; petals 2.7-3 mm long" "Melaleuca pomphostoma" 67 "Bract subtending each monad present at anthesis" "Melaleuca bracteosa" 67 "Bract subtending each monad absent at anthesis" 68 68 "Leaf blade with only 1 well developed vein" 69 68 "Leaf blade with 3 well developed veins (midvein and 2 parallel minor veins)" 70 69 "Leaf apex aristate or acuminate, straight to recurved (leaf blade in transverse section depressed obovate)" "Melaleuca hamulosa" 69 "Leaf apex not aristate, apex obtusely shortly acuminate, acute, obtuse, or acuminate, incurved to straight" "Melaleuca glaberrima" 70 "Leaf blade 0.9-1.3 mm wide; leaves 11-33 times as long as wide; staminal filaments cream or cream to yellow" "Melaleuca armillaris subsp. armillaris" 70 "Leaf blade 1.5-4.5 mm wide; 2.3-8.3 times as long as wide; staminal filaments mauve, pink or purple" "Melaleuca laxiflora" 71 "Leaf blade with 1-3 parallel veins" 72 71 "Leaf blade with 4 or more parallel veins" 83 72 "Stamens with the bundle claw up to 0.3 times as long as the filaments" 73 72 "Stamens with the bundle claw 0.4-0.7 times as long as the filaments" 75 73 "Hypanthium 1-1.8 mm long" "Melaleuca blaeriifolia" 73 "Hypanthium 2-3.2 mm long" 74 74 "Calyx lobes replaced by sepaline teeth in fruit" "Melaleuca torquata" 74 "Calyx lobes not replaced by sepaline teeth" "Melaleuca leiocarpa" 75 "Leaves usually more than 10 times as long as wide and up to 1.5 mm wide" 76 75 "Leaves always less than 8.5 times as long as wide and usually more than 1.5 mm wide" 80 76 "Stamens 4-10 per bundle" "Melaleuca microphylla" 76 "Stamens 11 or more per bundle" 77 77 "Hypanthium 1-1.2 mm long" "Melaleuca armillaris subsp. armillaris" 77 "Hypanthium 1.5-3.2 mm long" 78 78 "Staminal filaments mauve" "Melaleuca ctenoides" 78 "Staminal filaments white, cream or lemon-yellow" 79 79 "Leaf hairs lanuginulose to lanuginulose-puberulous, rarely with some longer pubescent hairs" "Melaleuca rhaphiophylla" 79 "Leaf hairs sericeous to sericeous-pubescent" "Melaleuca leiocarpa" 80 "Calyx lobes not replaced by sepaline teeth in fruit (lobes either deciduous or merely weathering away)" "Melaleuca leiocarpa" 80 "Calyx lobes replaced by sepaline teeth in fruit" 81 81 "Staminal filaments yellow or yellow-green" "Melaleuca eurystoma" 81 "Staminal filaments mauve" 82 82 "Leaf blade in lateral view straight; branchlets glabrescent, the hairs ephemeral, lanuginulose" "Melaleuca depauperata" 82 "Leaf blade in lateral view straight to recurved; branchlets glabrous to glabrescent, the hairs puberulous" "Melaleuca camptoclada" 83 "Leaf blade in transverse section transversely linear to sublunate" "Melaleuca ringens" 83 "Leaf blade in transverse section lunate; stamens 7-15 per bundle, the bundle claw 0.5-0.6 times as long as the filaments" "Melaleuca eurystoma" 84 "Leaf blade in transverse section transversely linear" 85 84 "Leaf blade in transverse section otherwise (depressed obovate, transversely semielliptic, circular, lunate, shallowly lunate, transversely narrowly elliptic, sublunate or obsublunate)" 88 85 "Petals up to 2.6 mm long; staminal filaments cream or creamy-yellow" "Melaleuca viminea" 85 "Petals more than 3 mm long; staminal filaments green or red" 86 86 "Staminal filaments green" "Melaleuca diosmifolia" 86 "Staminal filaments red" 87 87 "Leaves 9-28 mm long" "Melaleuca macronychia" 87 "Leaves (25-)30-138 mm long" "Melaleuca viminalis" 88 "Staminal filaments red" 89 88 "Staminal filaments pallid (white, creamy lemon, yellow green, pink or mauve)" 90 89 "Leaves 6.5-24.5 mm long, 0.9-1.5 mm wide" "Melaleuca lateritia" 89 "Leaves (25-)30-138 mm long, 3-27 mm wide" "Melaleuca viminalis" 90 "Leaf blade elliptic, broadly elliptic, or broadly obovate" "Melaleuca eurystoma" 90 "Leaf blade otherwise (linear, subfalcate to falcate, linear-obovate, or linear-elliptic)" 91 91 "Staminal filaments pink or mauve (fading to white); inflorescence axis usually glabrous (rarely sparsely lanuginulose-puberulous)" "Melaleuca glaberrima" 91 "Staminal filaments white, cream or lemon; inflorescence axis hairy (puberulous or lanuginulose or combinations thereof)" "Melaleuca rhaphiophylla" 92 "Staminal filaments up to 12 mm long" 93 92 "Staminal filaments more than 12 mm long" 108 93 "Leaf blade with the oil glands in rows or more or less so" 94 93 "Leaf blade with the oil glands scattered" 106 94 "Stamens with the bundle claw 0.1-0.4 times as as long as the filaments" 95 94 "Stamens with the bundle claw 0.5-0.6 times as as long as the filaments" 101 95 "Ovary adnate to the hypanthium for the proximal one quarter" 96 95 "Ovary adnate to the hypanthium for the proximal one half to three quarters" 99 96 "Stamens 3-6 per bundle" "Melaleuca densa" 96 "Stamens 9-22 per bundle" 97 97 "Style 4-5.5 mm long; petals 1.5-2.2 mm long" "Melaleuca sheathiana" 97 "Style 7.5-12 mm long; petals 2.3-3 mm long" 98 98 "Calyx lobes 1-1.5 mm long; leaves 1.3-2.3 mm wide, 2-3.3 times as long as wide" "Melaleuca linguiformis" 98 "Calyx lobes 1.6-2.4 mm long; leaves 0.9-1.3 mm wide, 1.7-7.7 times as long as wide" "Melaleuca teuthidoides" 99 "Petals 1.2-2 mm long (rarely to 2.5 mm long)" "Melaleuca viminea" 99 "Petals 2.2-4.5 mm long" 100 100 "Staminal filaments purple, mauve or pink" "Melaleuca subfalcata" 100 "Staminal filaments white to cream" "Melaleuca linguiformis" 101 "Ovary adnate to the hypanthium for the proximal one quarter" 102 101 "Ovary adnate to the hypanthium for the proximal one half to three quarters" 103 102 "Stamens 3-6 per bundle" "Melaleuca densa" 102 "Stamens 15-28 per bundle" "Melaleuca bracteata" 103 "Staminal filaments white to cream or pale yellow" "Melaleuca viminea" 103 "Staminal filaments pink, mauve or purplish" 104 104 "Leaf blade ovate or elliptic (sometimes very narrowly to narrowly ovate)" "Melaleuca spicigera" 104 "Leaf blade otherwise (narrowly obovate, very narrowly obovate, narrowly elliptic, very narrowly elliptic, linear, linear-elliptic, often subfalcate)" 105 105 "Petals hairy (more or less glabrescent, not densely hairy); hypanthium 1.5-2 mm long" "Melaleuca subfalcata" 105 "Petals glabrous; hypanthium 2-2.9 mm long" "Melaleuca laxiflora" 106 "Staminal filaments 2.2-3.5 mm long (leaf blade in transverse section transversely linear)" "Melaleuca linophylla" 106 "Staminal filaments 5 mm or more long (if staminal filaments 4 mm long then leaf blade in transverse section suboblong, sublunate, flattened transversely semielliptic, or subcircular)" 107 107 "Stamens with the free part of the filaments inserted in the distal half of the claw" "Melaleuca rhaphiophylla" 107 "Stamens with the free part of the filaments inserted throughout the length of the claw or almost so" "Melaleuca dissitiflora" 108 "Stamens 4-5 per bundle" "Melaleuca calothamnoides" 108 "Stamens 6 or more per bundle" 109 109 "Leaf blade with pinnate venation (if ever parallel or parallel-pinnate then with 5 or more veins)" "Melaleuca viminalis" 109 "Leaf blade with parallel venation (the veins 3 in number)" 110 110 "Staminal filaments up to 13 mm long, purple or mauve or pink" "Melaleuca subfalcata" 110 "Staminal filaments 15-18 mm long, red" "Melaleuca apostiba" 111 "Staminal filaments hairy" "Melaleuca lasiandra" 111 "Staminal filaments glabrous" 112 112 "Staminal filaments white, cream, yellow(ish), or green" 113 112 "Staminal filaments pink, red, crimson, mauve, or purple" 144 113 "Leaves up to 5 mm wide" 114 113 "Leaves 5 mm or more wide" 126 114 "Leaf blade linear" 115 114 "Leaf blade otherwise (sometimes linear-elliptic or linear-obovate)" 116 115 "Trunk or main stem bark papery; leaves twisted and the apex uncinate; leaves more than 20 mm long" "Melaleuca uncinata" 115 "Trunk or main stem bark hard; leaves not twisted and the apex not uncinate; leaves up to 15 mm long" "Melaleuca lanceolata" 116 "Leaf blade recurved at the apex (apex may appear to be incurved due to twisting of the lamina)" 117 116 "Leaf blade straight at the apex" 118 117 "Leaves 3.4-22 mm long" "Melaleuca bracteata" 117 "Leaves 31-76 mm long" "Melaleuca uncinata" 118 "Leaves up to 25 mm long" 119 118 "Leaves more than 25 mm long" 125 119 "Branchlets with at least some of the hairs lanuginulose to lanuginulose-puberulous" 120 119 "Branchlets without lanuginulose to lanuginulose-puberulous hairs (hairs sericeous, sericeous-pubescent, puberulous, or pubescent; the hairs may be distinctly flexuous and/or curved but are never lanuginulose)" 121 120 "Leaf blade with the oil glands scattered" "Melaleuca preissiana" 120 "Leaf blade with the oil glands more or less in rows" "Melaleuca lanceolata" 121 "Leaves sessile" "Melaleuca bracteata" 121 "Leaves petiolate (sometimes shortly so)" 122 122 "Calyx lobes hairy on the abaxial surface" "Melaleuca sericea" 122 "Calyx lobes glabrous on the abaxial surface" 123 123 "Leaf blade 5-7-veined" "Melaleuca hnatiukii" 123 "Leaf blade 3-veined" 124 124 "Petals 2-3.5 mm long; leaf blade margin minutely crenulate to subentire" "Melaleuca zonalis" 124 "Petals 1.5-2 mm long; leaf blade margin verrucose" "Melaleuca ciliosa" 125 "Branchlets sericeous, or sericeous-pubescent to pubescent with some shorter pubescent hairs" "Melaleuca sericea" 125 "Branchlets pubescent (rarely to puberulous)" "Melaleuca zonalis" 126 "Hypanthium distinctly hairy" 127 126 "Hypanthium glabrous or effectively so" 137 127 "Leaf blade indumentum with at least some of the hairs lanuginulose or sericeous-lanuginulose (whether or not also with pubescent to sericeous-pubescent hairs)" 128 127 "Leaf blade indumentum without lanuginulose or sericeous-lanuginulose hairs (the hairs sericeous, sericeous-pubescent, pubescent, puberulous, or ciliate)" 129 128 "Staminal filaments 5-8 mm long" "Melaleuca dealbata" 128 "Staminal filaments 10-23 mm long" "Melaleuca nervosa" 129 "Inflorescence up to 30 mm wide" 130 129 "Inflorescence more than 30 mm wide" 136 130 "Leaf blade 3-5-veined" 131 130 "Leaf blade 5-9-veined" 133 131 "Calyx lobes hairy on the abaxial surface" "Melaleuca sericea" 131 "Calyx lobes glabrous on the abaxial surface" 132 132 "Petals 2-3.5 mm long; leaf blade margin minutely crenulate to subentire" "Melaleuca zonalis" 132 "Petals 1.5-2 mm long; leaf blade margin verrucose" "Melaleuca ciliosa" 133 "Inflorescence up to 20 mm wide" "Melaleuca sericea" 133 "Inflorescence more than 20 mm wide" 134 134 "Calyx lobes herbaceous in the proximal-central zone and scarious in a narrow marginal band (leaves 4.8-14 times as long as wide)" "Melaleuca argentea" 134 "Calyx lobes herbaceous in the proximal-central zone and scarious in a broad marginal band (leaves 1.3-9.7 times as long as wide)" 135 135 "Older leaves with the secondary venation distinct and about as prominent as the major veins" "Melaleuca cajuputi subsp. cajuputi" 135 "Older leaves with the secondary venation more or less obscure" "Melaleuca quinquenervia" 136 "Hypanthium (1.8-)3-3.5 mm long; petals (2.7-)4-5.3 mm long; leaves (8-)19-76 mm wide; inflorescence axis sericeous or pubescent (occasionally glabrous); young shoots with hairs entirely appressed" "Melaleuca viridiflora" 136 "Hypanthium 1.5-2.5 mm long; petals 2.5-3.5 mm long; leaves 10-30 mm wide; inflorescence axis pubescent; young shoots with at least some spreading-ascending to spreading hairs" "Melaleuca quinquenervia" 137 "Leaf blade with the oil glands in rows or more or less so" "Melaleuca hnatiukii" 137 "Leaf blade with the oil glands scattered" 138 138 "Calyx lobes hairy on the abaxial surface" 139 138 "Calyx lobes glabrous on the abaxial surface" 140 139 "Staminal filaments 5-7.5 mm long" "Melaleuca dealbata" 139 "Staminal filaments (9-)12-23 mm long" "Melaleuca viridiflora" 140 "Calyx lobes herbaceous in the proximal-central zone and scarious in a narrow marginal band or the lobes herbaceous almost throughout" "Melaleuca leucadendra" 140 "Calyx lobes herbaceous in the proximal-central zone and scarious in a broad marginal band" 141 141 "Leaf blade narrowly ovate, very narrowly ovate, rarely narrowly elliptic or very narrowly elliptic, often falcate to subfalcate; leaves 3.5-16 times as long as wide, very early glabrescent; petals with elliptic oil glands (occasionally long elliptic glands form an apparently linear gland)" "Melaleuca leucadendra" 141 "Leaf blade narrowly elliptic, elliptic, very narrowly elliptic, narrowly obovate, obovate, very narrowly obovate, rarely broadly elliptic or ovate or very narrowly ovate or approaching falcate; leaves usually 1.3-8.5 times as long as wide (in some forms of M. viridiflora 4.8-15.7 times as long as wide with the blade very narrowly elliptic, narrowly elliptic or narrowly obovate or very narrowly obovate), typically not very early glabrescent; petals with oil glands linear, elliptic, circular to subcircular, or oblong" 142 142 "Staminal filaments 9.2-10 mm long, the bundle claw 0.2-0.4 times as long as the filaments" "Melaleuca cajuputi subsp. cajuputi" 142 "Staminal filaments (9.5-)10.5-23 mm long, the bundle claw 0.06-0.2(-0.5) times as long as the filaments" 143 143 "Hypanthium 1.5-2.5 mm long; petals 2.5-3.5 mm long; leaves 10-30 mm wide; inflorescence axis pubescent; young shoots with at least some spreading-ascending to spreading hairs" "Melaleuca quinquenervia" 143 "Hypanthium (1.8-)3-3.5 mm long; petals (2.7-)4-5.3 mm long; leaves (8-)19-76 mm wide; inflorescence axis sericeous or pubescent (occasionally glabrous); young shoots with hairs entirely appressed" "Melaleuca viridiflora" 144 "Leaves up to 3 mm wide" 145 144 "Leaves more than 3 mm wide" 153 145 "Petals caducous" 146 145 "Petals deciduous" 148 146 "Branchlets pubescent or glabrous" "Melaleuca tuberculata" 146 "Branchlets sericeous" 147 147 "Leaf blade indumentum monomorphic (appressed to spreading-ascending, sericeous to sericeous-pubescent hairs)" "Melaleuca leuropoma" 147 "Leaf blade indumentum more or less dimorphic (appressed to ascending more or less sericeous hairs overlaid with longer spreading pubescent hairs)" "Melaleuca parviceps" 148 "Leaves more than 50 mm long" "Melaleuca nematophylla" 148 "Leaves up to 35 mm long" 149 149 "Leaf blade in transverse section transversely linear" "Melaleuca caeca" 149 "Leaf blade in transverse section otherwise (circular, depressed obovate, transversely elliptic, transversely narrowly elliptic)" 150 150 "Style 4.5-7 mm long" 151 150 "Style 9.5-17 mm long" 152 151 "Leaves sessile to subsessile (petiole up to 0.3 mm long), 6.5-27 mm long" "Melaleuca carrii" 151 "Leaves short-petiolate to subsessile (petiole 0.5-1.3 mm long), 3.5-8.5 mm long" "Melaleuca societatis" 152 "Leaves appressed to ascending (rarely spreading-ascending), 6.3-19.6 times as long as wide; calyx lobes usually scarious throughout (rarely herbaceous in the proximal-central zone); petals 1.3-2.2 mm long; staminal filaments 7.5-9.5 mm long" "Melaleuca clavifolia" 152 "Leaves ascending to spreading-ascending (rarely appressed or spreading), 9.5-76.7 times as long as wide; calyx lobes usually herbaceous in the proximal-central zone and scarious in a narrow to broad marginal zone (rarely almost scarious throughout); petals 1.8-3.5 mm long; staminal filaments 7.5-16.5 mm long" "Melaleuca trichophylla" 153 "Staminal filaments pink, mauve, or purple" 154 153 "Staminal filaments red or crimson" 164 154 "Leaf blade with the base attenuate, or narrowly cuneate" 155 154 "Leaf blade with the base cordate, subcordate, or rounded" 163 155 "Leaves with the petiole more than 5 mm long, 10-31 mm wide" "Melaleuca quinquenervia" 155 "Leaves with the petiole up to 4 mm long, up to 15 mm wide (if leaf more than 11 mm wide then calyx lobes on the abaxial surface hairy)" 156 156 "Staminal filaments 4-6.5 mm long; style 6.5-8.5 mm long" "Melaleuca glena" 156 "Staminal filaments 7.3-14.5 mm long; style (8-)10-19.5 mm long" 157 157 "Calyx lobes glabrous on the abaxial surface" 158 157 "Calyx lobes hairy on the abaxial surface" 160 158 "Leaf blade narrowly oblong (occasionally approaching narrowly elliptic or very narrowly ovate)" "Melaleuca fabri" 158 "Leaf blade obovate, narrowly obovate, very narrowly obovate, linear-elliptic, narrowly elliptic, or rarely elliptic" 159 159 "Branchlet indumentum of appressed sericeous hairs" "Melaleuca campanae" 159 "Branchlet indumentum of spreading-ascending to spreading pubescent hairs (sometimes with the hairs appressed to ascending and then sericeous-pubescent or rarely sericeous)" "Melaleuca venusta" 160 "Hypanthium glabrous" "Melaleuca nesophila" 160 "Hypanthium hairy" 161 161 "Leaf blade hairy" "Melaleuca venusta" 161 "Leaf blade glabrescent" 162 162 "Leaf blade with parallel venation (5-veined, rarely 7-veined leaves occur on vigorous growth)" "Melaleuca conothamnoides" 162 "Leaf blade with pinnate or parallel-pinnate venation (rarely parallel entirely, pinnate veins c. 7-11 on each side of the midrib)" "Melaleuca barlowii" 163 "Leaves 0.8-1.8 times as long as wide, the blade broadly ovate to ovate" "Melaleuca cordata" 163 "Leaves 1.9-5.2 times as long as wide, the blade narrowly obovate, oblong, narrowly elliptic, elliptic, obovate, or rarely ovate" "Melaleuca conothamnoides" 164 "Calyx lobes glabrous on the abaxial surface" 165 164 "Calyx lobes hairy or glabrescent (rarely glabrous) on the abaxial surface" 166 165 "Calyx lobes 0.3-0.7 mm long (southwestern Western Australia)" "Melaleuca conothamnoides" 165 "Calyx lobes 1-1.8 mm long (coastal Queensland and New South Wales)" "Melaleuca quinquenervia" 166 "Young shoots with at least some lanuginulose hairs (sericeous-pubescent, pubescent, and/or other hair types usually also present)" "Melaleuca nervosa" 166 "Young shoots without lanuginulose hairs (the hairs sericeous or sericeous-pubescent)" 167 167 "Hypanthium (1.8-)3-3.5 mm long; petals (2.7-)4-5.3 mm long; leaves(8-)19-76 mm wide; inflorescence axis sericeous or pubescent (occasionally glabrous); young shoots with hairs entirely appressed" "Melaleuca viridiflora" 167 "Hypanthium 1.5-2.5 mm long; petals 2.5-3.5 mm long; leaves 10-30 mm wide; inflorescence axis pubescent; young shoots with at least some spreading-ascending to spreading hairs" "Melaleuca quinquenervia" 168 "Leaves less than 3 mm wide" 169 168 "Leaves 3 mm or more wide" 349 169 "Flowers in monads" 170 169 "Flowers in triads or dyads" 227 170 "Stamens dimorphic" "Melaleuca pulchella" 170 "Stamens monomorphic" 171 171 "Hypanthium glabrous (or effectively so)" 172 171 "Hypanthium hairy" 204 172 "Calyx lobes costate" 173 172 "Calyx lobes not costate" 176 173 "Style 2-4 mm long; staminal filaments distinctly papillate, the free portion of the proximal filaments strongly reflexed" "Melaleuca delta" 173 "Style 7-10.5 mm long; staminal filaments not papillate, the free portion of the proximal filaments not reflexed" 174 174 "Leaf blade with indumentum composed of long cilia on the margin (the lamina per se is glabrous), glabrescent" "Melaleuca undulata" 174 "Leaf blade with indumentum composed of sericeous or sericeous-lanuginulous hairs (sometimes with some lanuginulose-puberulous or lanuginulose hairs also), glabrescent" 175 175 "Leaves 3.9–8 times as long as wide, the blade 7–25 mm long and lunate, sublunate or transversely narrowly elliptic (approaching transversely linear) in transverse section, petals distinctly clawed" "Melaleuca acutifolia" 175 "Leaves 1.2–3.2 times as long as wide, the blade 4–12 mm long and transversely linear in transverse section, petals obscurely clawed" "Melaleuca lateriflora" 176 "Leaf blade 1-3-veined" 177 176 "Leaf blade 5-6-veined" 202 177 "Leaf blade with the oil glands scattered" 178 177 "Leaf blade with the oil glands in rows or more or less so" 185 178 "Inflorescence axis glabrous" 179 178 "Inflorescence axis hairy" 181 179 "Stamens 3-5 per bundle" "Melaleuca blaeriifolia" 179 "Stamens 6-16 per bundle" 180 180 "Leaves 2.9-5.5 mm long, the blade narrowly elliptic, elliptic or narrowly suboblong-elliptic" "Melaleuca camptoclada" 180 "Leaves 30-90 mm long, the blade linear" "Melaleuca teretifolia" 181 "Hypanthium 1-2 mm long" 182 181 "Hypanthium 2-3.2 mm long" 183 182 "Stamens 3-5 per bundle" "Melaleuca blaeriifolia" 182 "Stamens 7-25 per bundle" "Melaleuca rhaphiophylla" 183 "Hypanthium when detached leaving a circular scar on the inflorescence axis; calyx lobes scarious in a broad marginal band (0.4-0.5 mm wide)" "Melaleuca leiocarpa" 183 "Hypanthium when detached leaving a very narrowly elliptic, elliptic, broadly elliptic, or ovate scar on the inflorescence axis; calyx lobes herbaceous to the margin or scarious in a narrow marginal band (up to 0.3 mm wide)" 184 184 "Hypanthium when detached leaving a very narrowly elliptic scar on the inflorescence axis (leaves 8-40 mm long; stamens 11-25 per bundle)" "Melaleuca rhaphiophylla" 184 "Hypanthium when detached leaving an elliptic, broadly elliptic, or ovate scar on the inflorescence axis" "Melaleuca torquata" 185 "Calyx lobes replaced by sepaline teeth in fruit" 186 185 "Calyx lobes not replaced by sepaline teeth in fruit (the lobes weathering away and teeth not developing, rarely the extreme proximal portion of the lobes may become woody and persist in M. lateralis and M. xerophila)" 198 186 "Growth from the inflorescence apex typically continuing after anthesis (growth may have commenced prior to, or at, anthesis)" 187 186 "Growth from the inflorescence apex typically not continuing after anthesis" 192 187 "Leaf blade at the apex rounded (and usually also at the base, sometimes at the base narrowly cuneate)" 188 187 "Leaf blade at the apex acute, narrowly acute, obtuse, obtusely shortly acuminate, or acuminate" 189 188 "Stamens with the bundle claw 4-5.5 mm long, the claw 0.6-0.7 times as long as the filaments" "Melaleuca pomphostoma" 188 "Stamens with the bundle claw 1.5-2.3 mm long, the claw 0.3 times as long as the filaments" "Melaleuca pauperiflora subsp. mutica" 189 "Stamens with the bundle claw 0.1-0.2 times as long as the filaments" "Melaleuca torquata" 189 "Stamens with the bundle claw 0.3-0.6 times as long as the filaments" 190 190 "Inflorescence axis lanuginulose-pubescent" "Melaleuca bracteosa" 190 "Inflorescence axis puberulous to pubescent" 191 191 "Style at anthesis kinked at about three-quarters from the base; leaves 3-7.5 mm long" "Melaleuca pauperiflora" 191 "Style at anthesis not kinked; leaves 4-20 mm long" "Melaleuca viminea" 192 "Staminal filaments 1.5-3.5 mm long; style 4-5.5 mm long (when straightened)" 193 192 "Staminal filaments (3.7-)4-7 mm long; style 5.6-8 mm long (when straightened)" 194 193 "Stamens 6–13 per bundle, 1.5–3.5 mm long, the bundle claw 0.2–0.3 mm long; fruit 3.5–5 mm wide; cotyledons subobvolute (almost planoconvex)" "Melaleuca apodocephala" 193 "Stamens 12–23 per bundle, 5–5.5 mm long, the bundle claw 1–1.5 mm long; fruit 4.5–7.5 mm wide; cotyledons obvolute" "Melaleuca calcicola" 194 "Calyx lobes hairy or glabrescent on the abaxial surface" "Melaleuca viminea" 194 "Calyx lobes glabrous on the abaxial surface" 195 195 "Stamens 3-8 per bundle" "Melaleuca bracteosa" 195 "Stamens 10-23 per bundle" 196 196 "Inflorescence a pseudoterminal head (lateral inflorescences may also occur in distal axils of the previous season’s growth flush); hypanthium 2-2.5 mm long; cotyledons planoconvex" "Melaleuca pauperiflora" 196 "Inflorescence a lateral cluster of flowers (among or below the leaves) or a pseudoterminal head; hypanthium 1.5-1.8 mm long; cotyledons obvolute" 197 197 "Stamens 6–13 per bundle, 1.5–3.5 mm long, the bundle claw 0.2–0.3 mm long; fruit 3.5–5 mm wide; cotyledons subobvolute (almost planoconvex)" "Melaleuca apodocephala" 197 "Stamens 12–23 per bundle, 5–5.5 mm long, the bundle claw 1–1.5 mm long; fruit 4.5–7.5 mm wide; cotyledons obvolute" "Melaleuca calcicola" 198 "Style at anthesis kinked at about three-quarters from the base" 199 198 "Style at anthesis not kinked (style may be slightly flexuous but is not kinked per se)" 200 199 "Inflorescence axis puberulous to pubescent" "Melaleuca pauperiflora" 199 "Inflorescence axis lanuginulose, lanuginulose-puberulous, or sometimes puberulous" "Melaleuca xerophila" 200 "Inflorescence axis glabrous" "Melaleuca brevifolia" 200 "Inflorescence axis hairy" 201 201 "Anther connective prominently glandular" "Melaleuca lateralis" 201 "Anther connective not prominently glandular (discernible but not large)" "Melaleuca viminea" 202 "Leaf blade with the oil glands scattered" "Melaleuca ringens" 202 "Leaf blade with the oil glands in rows or more or less so" 203 203 "Inflorescences among the leaves, terminal or pseudoterminal; style 5-6.8 mm long; ovules 30-35 per locule" "Melaleuca pauperiflora" 203 "Inflorescences below the leaves, lateral (the plant ramuliflorous to ramiflorous); style 10-14.5 mm long; ovules 95-110 per locule" "Melaleuca fissurata" 204 "Flowers with the proximal portion immerged in the corky bark of the branches and major stems (often only the perianth, stamens and style are exserted)" "Melaleuca suberosa" 204 "Flowers not immerged in the bark of branches or major stems" 205 205 "Staminal filaments white, cream, yellow, or green (sometimes ageing pinkish, salmon, or reddish)" 206 205 "Staminal filaments pink, mauve, purple, or magenta (sometimes ageing whitish)" 225 206 "Leaf blade with the oil glands scattered" 207 206 "Leaf blade with the oil glands in rows or more or less so" 212 207 "Petals with oil glands" 208 207 "Petals without oil glands" 210 208 "Calyx lobes replaced by sepaline teeth in fruit" "Melaleuca bromelioides" 208 "Calyx lobes not replaced by sepaline teeth in fruit (sepals may be deciduous, persistent or may weather away with the extreme proximal portion becoming woody and persisting as a ring around the orifice of the fruit or a series of low undulations)" 209 209 "Calyx lobes herbaceous in the proximal-central zone and scarious in a marginal band" "Melaleuca rhaphiophylla" 209 "Calyx lobes scarious throughout" "Melaleuca urceolaris" 210 "Inflorescence composed of 3-14 monads" "Melaleuca leiocarpa" 210 "Inflorescence composed of a single monad" 211 211 "branchlets glabrous; leaves reflexed, veins 3–5; flowers in triads; hypanthium glabrous; style 6.8–10.6 mm long; fruit 1.7–3 mm long" "Melaleuca sophisma" 211 "branchlets hairy; leaves spreading, veins 9–11; flowers in monads; hypanthium hairy; style c. 13 mm long; fruit 4–5 mm long" "Melaleuca cliffortioides" 212 "Inflorescence usually consistently composed of a single monad (occasionally up to 3 monads per inflorescence)" 213 212 "Inflorescence usually consistently composed of more than a single monad (usually 3-50, occasionally as few as 1 monad per inflorescence)" 215 213 "Stamens 30-45 per bundle" "Melaleuca podiocarpa" 213 "Stamens 8-13 per bundle" 214 214 "branchlets glabrous; leaves reflexed, veins 3–5; flowers in triads; hypanthium glabrous; style 6.8–10.6 mm long; fruit 1.7–3 mm long" "Melaleuca sophisma" 214 "branchlets hairy; leaves spreading, veins 9–11; flowers in monads; hypanthium hairy; style c. 13 mm long; fruit 4–5 mm long" "Melaleuca cliffortioides" 215 "Growth from the inflorescence apex typically continuing after anthesis (growth may have commenced prior to, or at, anthesis)" 216 215 "Growth from the inflorescence apex typically not continuing after anthesis" 222 216 "Calyx lobes scarious throughout" "Melaleuca laetifica" 216 "Calyx lobes herbaceous in the proximal-central zone and scarious in a marginal band, sometimes herbaceous almost to the margin" 217 217 "Style at anthesis kinked at about three-quarters from the base" "Melaleuca pauperiflora" 217 "Style at anthesis not kinked (style may be slightly flexuous but is not kinked per se)" 218 218 "Stamens 3-6 per bundle" "Melaleuca densa" 218 "Stamens (4-)9-33 per bundle" 219 219 "Calyx lobes 0.5-1 mm long" 220 219 "Calyx lobes 1-2.4 mm long" 221 220 "Leaves 2-3.5 mm long" "Melaleuca sheathiana" 220 "Leaves (3-)4-20 mm long" "Melaleuca viminea" 221 "Calyx lobes 1-1.5 mm long; stamens 13-22 per bundle" "Melaleuca linguiformis" 221 "Calyx lobes 1.6-2.4 mm long; stamens 12-16 per bundle" "Melaleuca teuthidoides" 222 "Leaf blade 7-17-veined" "Melaleuca undulata" 222 "Leaf blade 3-veined" 223 223 "Anther connective not prominently glandular (discernible but not large)" "Melaleuca viminea" 223 "Anther connective prominently glandular" 224 224 "Stamens 6–13 per bundle, 1.5–3.5 mm long, the bundle claw 0.2–0.3 mm long; fruit 3.5–5 mm wide; cotyledons subobvolute (almost planoconvex)" "Melaleuca apodocephala" 224 "Stamens 12–23 per bundle, 5–5.5 mm long, the bundle claw 1–1.5 mm long; fruit 4.5–7.5 mm wide; cotyledons obvolute" "Melaleuca calcicola" 225 "Leaf blade in transverse section depressed obovate, subcircular, or transversely elliptic" "Melaleuca calyptroides" 225 "Leaf blade in transverse section transversely linear, sublunate, or lunate" 226 226 "Infructescence typically globose or subglobose (the constituent fruits closely packed (often into a ball-like structure) and not retaining a significant separate identity); majority of leaves on the specimen 1.6-1.8 times as long as wide (range 1-2.2)" "Melaleuca ryeae" 226 "Infructescence typically not globose or subglobose (the constituent fruits ""peg-like"" and retaining a significant separate identity), or sometimes approaching globose or subglobose with the constituent fruits somewhat closely packed; majority of leaves on the specimen 2-2.8 times as long as wide (range 1.5-4.8)" "Melaleuca amydra" 227 "Staminal filaments white, cream, yellow, or greenish yellow (ageing salmon, pinkish or reddish)" 228 227 "Staminal filaments pink, mauve, purple, purplish pink, magenta, rose pink, violet, or rarely red (ageing white, or whitish mauve)" 262 228 "Petals caducous" 229 228 "Petals deciduous" 239 229 "Calyx lobes scarious throughout" 230 229 "Calyx lobes herbaceous in the proximal-central zone and scarious in a narrow to wide marginal band (when unlobed, i.e. the calyx composed of an unbroken ring of tissue, up to 5 areas of herbaceous tissue may occur)" 235 230 "Infructescence typically globose or subglobose (the constituent fruits closely packed (often into a ball-like structure) and not retaining a significant separate identity)" 231 230 "Infructescence typically not globose or subglobose (the constituent fruits ""peg-like"" and retaining a significant separate identity)" 232 231 "Calyx lobes consistently 5; leaves 4.5-16 mm long, 2.7-14.5 times as long as wide" "Melaleuca brophyi" 231 "Calyx lobes variable in number, often 2-4 or occasionally 5; leaves 8-52 mm long, 7.8-74 times as long as wide" "Melaleuca uncinata" 232 "Hypanthium glabrous" "Melaleuca systena" 232 "Hypanthium hairy" 233 233 "Branchlet indumentum composed of pubescent to lanuginulose-puberulous or rarely lanuginose-pubescent hairs (rarely some lanuginulose hairs may also occur)" "Melaleuca dichroma" 233 "Branchlet indumentum composed of a layer of short dense puberulous to shortly pubescent hairs overlaid with sparse longish pubescent hairs, or of sericeous-pubescent to sericeous hairs, or of sericeous hairs" 234 234 "Branchlet indumentum composed of a layer of short dense puberulous to shortly pubescent hairs overlaid with sparse longish pubescent hairs" "Melaleuca systena" 234 "Branchlet indumentum composed of sericeous-pubescent to sericeous hairs, or consisting of sericeous hairs" "Melaleuca leuropoma" 235 "Infructescence typically globose or subglobose (the constituent fruits closely packed (often into a ball-like structure) and not retaining a significant separate identity)" 236 235 "Infructescence typically not globose or subglobose (the constituent fruits ""peg-like"" and retaining a significant separate identity)" 237 236 "Leaves 4-12 mm long, the blade obovate to elliptic (sometimes narrowly so)" "Melaleuca ciliosa" 236 "Leaves 18-83 mm long, the blade linear (sometimes oblong to linear-elliptic)" "Melaleuca uncinata" 237 "Branchlet indumentum composed of sericeous-pubescent to sericeous hairs, or branchlet indumentum consisting of sericeous hairs" "Melaleuca leuropoma" 237 "Branchlet indumentum composed of a layer of short dense puberulous to shortly pubescent hairs overlaid with sparse longish pubescent hairs" 238 238 "Leaves 4.4-18 times as long as wide; calyx with the margin ciliate; hypanthium 1.5-2.5 mm long" "Melaleuca systena" 238 "Leaves 1.5-3 times as long as wide; calyx with the margin entire; hypanthium 1-1.5 mm long" "Melaleuca ciliosa" 239 "Infructescence typically globose or subglobose (the constituent fruits closely packed (often into a ball-like structure) and not retaining a significant separate identity)" 240 239 "Infructescence typically not globose or subglobose (the constituent fruits ""peg-like"" and retaining a significant separate identity)" 255 240 "Leaf blade with the oil glands scattered" 241 240 "Leaf blade with the oil glands in rows or more or less so" 249 241 "Cotyledons obvolute" 242 241 "Cotyledons planoconvex to flattened planoconvex" 245 242 "Leaf blade 5-veined; hypanthium glabrescent or glabrous" "Melaleuca croxfordiae" 242 "Leaf blade 3-veined; hypanthium persistently hairy" 243 243 "Calyx lobes glabrous on the abaxial surface" "Melaleuca uncinata" 243 "Calyx lobes hairy on the abaxial surface" 244 244 "Leaves with the blade twisted (usually through 180°), the blade apex usually recurved (sometimes straight)" "Melaleuca uncinata" 244 "Leaves with the blade untwisted, the blade apex straight" "Melaleuca glomerata" 245 "Leaves with the blade twisted (usually through 180°; when the blade is terete this may be difficult to ascertain), the blade apex usually recurved (sometimes straight)" "Melaleuca uncinata" 245 "Leaves with the blade untwisted" 246 246 "Branchlet indumentum composed of spreading to more or less retrorse hairs" "Melaleuca condylosa" 246 "Branchlet indumentum composed of appressed to more or less spreading hairs (the hairs sericeous-pubescent, lanuginose-sericeous, lanuginose-pubescent, sericeous-lanuginulose, hairs sometimes sericeous, or lanuginulose)" 247 247 "Leaf blade verrucose, the oil glands very distinct; stamens 3-6 per bundle, 3.5-6 mm long" "Melaleuca brophyi" 247 "Leaf blade smooth or sometimes verrucose, the oil glands distinct or obscure; stamens 6-8 per bundle, 5-8 mm long" 248 248 "Calyx lobes distinct, 5" "Melaleuca thapsina" 248 "Calyx lobes usually indistinct, 1-5 (usually the calyx exists as a ring of weakly lobed tissue, rarely with well formed lobes)" "Melaleuca uncinata" 249 "Apex of leaf blade (i.e. mucro or acumen if applicable) straight or incurved; leaves untwisted" 250 249 "Apex of leaf blade (i.e. mucro or acumen) recurved; leaves usually twisted" 254 250 "Cotyledons obvolute" "Melaleuca uncinata" 250 "Cotyledons planoconvex" 251 251 "Calyx lobes herbaceous in the proximal-central zone and scarious in a marginal band" "Melaleuca uncinata" 251 "Calyx lobes scarious throughout" 252 252 "Branchlet indumentum composed of pubescent to lanuginose-pubescent hairs" "Melaleuca grieveana" 252 "Branchlet indumentum composed of sericeous hairs (these occasionally to sericeous-pubescent)" 253 253 "Leaf blade with the oil glands usually distinct, the hairs not soon deciduous" "Melaleuca johnsonii" 253 "Leaf blade with the oil glands obscure, the hairs soon deciduous" "Melaleuca halophila" 254 "Major branches with the proximal bark hard; calyx lobes scarious throughout; leaf blade in transverse section transversely oblenticular, flattened transversely semielliptic, transversely narrowly elliptic, transversely elliptic, or transversely oblong to transversely narrowly oblong" "Melaleuca stereophloia" 254 "Major branches with the proximal bark papery; calyx lobes herbaceous in the proximal-central zone and scarious in a marginal band; leaf blade in transverse section transversely oblong, quadrate, or transversely semielliptic" "Melaleuca uncinata" 255 "Style 4-6.5 mm long" "Melaleuca glomerata" 255 "Style 10-15.5 mm long" 256 256 "Petals without oil glands" "Melaleuca laetifica" 256 "Petals with oil glands" 257 257 "Leaf blade in transverse section transversely linear" 258 257 "Leaf blade in transverse section depressed obovate, transversely elliptic, or transversely narrowly elliptic" 261 258 "Leaf blade with the oil glands scattered" 259 258 "Leaf blade with the oil glands more or less in rows" 260 259 "Calyx lobes consistently 5" "Melaleuca leiopyxis" 259 "Calyx lobes 2-5 (the calyx variously differentiated into lobes)" "Melaleuca zonalis" 260 "Leaf blade narrowly obovate, very narrowly obovate, or narrowly elliptic; leaves 8.5-30.5 mm long; petal oil glands elliptic, subcircular, or rarely circular" "Melaleuca zonalis" 260 "Leaf blade usually elliptic to narrowly elliptic, sometimes narrowly obovate, very narrowly obovate, or broadly elliptic; leaves 6.4-12.5 mm long; petal oil glands linear, elliptic or sometimes circular" "Melaleuca depressa" 260 "Leaf blade obovate or elliptic; leaves 4.5-8.5 mm long; petal oil glands subcircular to circular" "Melaleuca lara" 261 "Fruit 2.8-4 mm long; leaves 7.4-28 times as long as wide; ovules 8-10 per locule" "Melaleuca urceolaris" 261 "Fruit 4.5-6.5 mm long; leaves 3-11 times as long as wide; ovules 15-20 per locule" "Melaleuca leiopyxis" 262 "Petals caducous (rarely tardily so)" 263 262 "Petals deciduous (rarely early so)" 294 263 "Hypanthium glabrous or effectively so" "Melaleuca pentagona" 263 "Hypanthium hairy" 264 264 "Leaf blade in transverse section transversely linear (rarely sublunate)" 265 264 "Leaf blade in transverse section otherwise (transversely semielliptic, transversely elliptic, lunate, sublunate, semicircular, circular, depressed obovate, etc)" 269 265 "Leaf blade subcircular, broadly ovate, transversely broadly elliptic, broadly elliptic, or rarely broadly obovate" "Melaleuca orbicularis" 265 "Leaf blade narrowly elliptic, very narrowly elliptic, linear, linear-obovate, very narrowly obovate, narrowly obovate, or obovate" 266 266 "Style 6.5-7 (-c.8?) mm long" "Melaleuca pentagona" 266 "Style 8.5-13 mm long" 267 267 "Leaf blade pinnately 6-9-veined" "Melaleuca keigheryi" 267 "Leaf blade parallel 3-veined (some weakly developed pinnate veins may also occur but the blade primarily is 3-veined)" 268 268 "Leaf blade usually hairy (more or less early glabrescent forms sometimes occurring)" "Melaleuca leptospermoides" 268 "Leaf blade glabrescent or sometimes glabrous" "Melaleuca tuberculata" 269 "Infructescence typically globose or subglobose (the constituent fruits closely packed (often into a ball-like structure) and not retaining a significant separate identity)" 270 269 "Infructescence not globose or subglobose (the constituent fruits ""peg-like"" and retaining a significant separate identity)" 273 270 "Fruiting hypanthia distally coherent" "Melaleuca pentagona" 270 "Fruiting hypanthia free from each other throughout their length" 271 271 "Calyx variously lobed (occasionally 5-, usually 2-4-lobed, rarely unlobed with the calyx then a continuous ring of tissue)" "Melaleuca leuropoma" 271 "Calyx lobes consistently 5" 272 272 "Leaf blade in transverse section subcircular, circular, semicircular, rarely almost quadrate; leaves 9.5-38.3 times as long as wide; calyx lobes 0.3-0.6 mm long" "Melaleuca filifolia" 272 "Leaf blade in transverse section transversely semielliptic, transversely narrowly elliptic, or rarely transversely narrowly oblong; leaves 6.2-10 times as long as wide; calyx lobes 0.5-0.8 mm long" "Melaleuca boeophylla" 273 "Calyx lobes at the apex acute, rarely somewhat rounded (the lobes triangular, usually narrowly to very narrowly so)" "Melaleuca aspalathoides" 273 "Calyx lobes at the apex rounded or truncate (the lobes never triangular)" 274 274 "Leaf blade 5-7-veined (and subcircular, broadly ovate, transversely elliptic, or broadly elliptic)" "Melaleuca orbicularis" 274 "Leaf blade 3-veined (or if 5-veined then obovate, narrowly obovate, or very narrowly obovate)" 275 275 "Branchlet indumentum composed of predominantly pubescent hairs, or of scattered pubescent hairs overtopping sericeous to minutely sericeous hairs and whether or not some lanuginose or lanuginulose hairs also present; the branchlet hairy or glabrescent but never glabrous" 276 275 "Branchlet indumentum composed of sericeous to minutely sericeous hairs (whether or not some lanuginulose, sericeous-lanuginulose or lanuginulose-puberulous hairs also present), or of lanuginose to lanuginose-pubescent to lanuginose-sericeous hairs with longer appressed to ascending sericeous to sericeous-pubescent hairs, or of sericeous-pubescent to sericeous hairs, or branchlets glabrous" 287 275 "Branchlet glabrous" 293 276 "Leaf blade indumentum composed of pubescent and/or sericeous-pubescent hairs" 277 276 "Leaf blade indumentum composed of sericeous or more or less sericeous hairs, or more or less sericeous, lanuginose-sericeous to sericeous-lanuginulose grading to sericeous-pubescent hairs and often with some sparser long pubescent hairs as well, or leaf blade glabrous but for a few ephemeral stout pubescent hairs" 284 277 "Leaf blade obovate, narrowly obovate, very narrowly obovate, elliptic, or broadly elliptic, more than (1.1-)1.3 mm wide, the leaves 1.4-7.4 times as long as wide" 278 277 "Leaf blade linear, linear-obovate, suboblong, or oblong, 0.7-1.3 mm wide, the leaves 2.7-18.1 times as long as wide" 280 278 "Calyx hairs sericeous, lanuginulose, or lanuginulose-puberulous" "Melaleuca leptospermoides" 278 "Calyx hairs pubescent or sericeous-pubescent, or calyx glabrous" 279 279 "Cotyledons obvolute; leaf blade often glaucous or greyish, sometimes greenish to brownish" "Melaleuca tuberculata" 279 "Cotyledons planoconvex; leaf blade greenish to brownish" "Melaleuca manglesii" 280 "Leaves glaucous" "Melaleuca tuberculata" 280 "Leaves greenish or brownish (sometimes greyish or silverish)" 281 281 "Leaf blade recurved, in transverse section usually transversely semielliptic (leaves 3-7.5 mm long)" "Melaleuca manglesii" 281 "Leaf blade incurved to straight, sometimes recurved, in transverse section usually depressed obovate or subcircular to circular (leaves 3.5-20 mm long)" 282 282 "Leaf blade indumentum of more or less sericeous to lanuginose-sericeous and/or sericeous-lanuginulose hairs grading to spreading-ascending sericeous-pubescent hairs, often with some sparse long pubescent hairs also" "Melaleuca holosericea" 282 "Leaf blade indumentum not as above" 283 283 "Leaf blade early glabrescent, glossy or dull, indumentum composed of longish pubescent to sericeous-pubescent hairs (these appearing more or less lanuginose-pubescent on growth in the early stages of expansion)" "Melaleuca villosisepala" 283 "Leaf blade not early glabrescent, dull, indumentum composed of short to longish pubescent hairs and usually with a distinct layer of short hairs overtopped by a sparser layer of much longer hairs" "Melaleuca wonganensis" 284 "Leaf blade obovate, narrowly obovate, or very narrowly obovate, more than 1.3 mm wide, 1.6-7.4 times as long as wide" "Melaleuca leptospermoides" 284 "Leaf blade linear, or linear-obovate, 0.5-1.5 mm wide, 5-19.6 times as long as wide" 285 285 "Calyx lobes glabrous on the abaxial surface" "Melaleuca procera" 285 "Calyx lobes hairy on the abaxial surface" 286 286 "Leaves sessile to subsessile, the petiole up to 0.8 mm long, the blade 0.5-1 mm wide; leaf blade indumentum of more or less sericeous to lanuginose-sericeous and/or sericeous-lanuginulose hairs grading to spreading-ascending sericeous-pubescent hairs, often with some sparse long pubescent hairs also" "Melaleuca holosericea" 286 "Leaves subsessile to short-petiolate, the petiole 0.5-1.3 mm long, the blade 0.9-1.3 mm wide; leaf blade early glabrescent, glossy or dull, indumentum composed of longish pubescent to sericeous-pubescent hairs (these appearing more or less lanuginose-pubescent on growth in the early stages of expansion)" "Melaleuca villosisepala" 287 "Leaf blade in transverse section transversely linear to sublunate" "Melaleuca leptospermoides" 287 "Leaf blade in transverse section otherwise (depressed obovate, subcircular, transversely elliptic, or transversely narrowly elliptic)" 288 288 "Branchlet indumentum composed of lanuginose to lanuginose-pubescent and lanuginose-sericeous hairs and longer appressed to mostly ascending sericeous to sericeous-pubescent hairs" "Melaleuca hollidayi" 288 "Branchlet indumentum composed of sericeous to sericeous-pubescent hairs, or of sericeous to minutely sericeous hairs (whether or not also with some obscure lanuginulose-type hairs)" 289 289 "Calyx lobes hairy on the abaxial surface" 290 289 "Calyx lobes glabrous on the abaxial surface" 292 290 "Hypanthium indumentum coarse (the pubescent hairs generally longer and straighter towards the hypanthium apex)" "Melaleuca villosisepala" 290 "Hypanthium indumentum fine (the hairs sericeous, often minutely so, to pubescent or puberulous" 291 291 "Leaf blade dull, usually glaucous or greyish" "Melaleuca calyptroides" 291 "Leaf blade more or less glossy, greenish or brownish" "Melaleuca leuropoma" 292 "Leaf blade indumentum composed of more or less sericeous hairs overlaid with longer pubescent hairs" "Melaleuca parviceps" 292 "Leaf blade indumentum composed of sericeous to sericeous-pubescent hairs" "Melaleuca leuropoma" 293 "Leaves glaucous" "Melaleuca tuberculata" 293 "Leaves greenish or brownish; style 11-16 mm long" "Melaleuca procera" 294 "Infructescence typically globose or subglobose (the constituent fruits closely packed (often into a ball-like structure) and not retaining a significant separate identity)" 295 294 "Infructescence not globose or subglobose (the constituent fruits ""peg-like"" and retaining a significant separate identity)" 328 295 "Calyx lobes hairy on the abaxial surface" 296 295 "Calyx lobes glabrous on the abaxial surface" 309 296 "Style 4.5-8 mm long" 297 296 "Style 8.5-20 mm long" 303 297 "Leaf blade in transverse section transversely linear, or if transversely narrowly elliptic, transversely semielliptic, depressed obovate, or depressed obtriangular then the venation pinnate or parallel-pinnate (with c. 5-11 pinnate veins on each side of the midrib and up to 4 (excluding the midrib) parallel veins)" 298 297 "Leaf blade in transverse section circular, subcircular, semicircular, depressed obovate, transversely elliptic, or transversely narrowly elliptic, the blade sometimes channeled on the adaxial surface, the blade with 3 parallel veins" 300 298 "Branchlets with the indumentum composed of sericeous hairs; leaves 8-21.5 mm long, 5.3-16.6 times as long as wide, the blade with 3 parallel veins" "Melaleuca caeca" 298 "Branchlets with the indumentum composed of pubescent, puberulous, or sericeous-pubescent hairs, rarely lanuginose-pubescent or sericeous; leaves 2.5-28 mm long, 1.5-7 times as long as wide, the blade venation pinnate or parallel-pinnate (with c. 5-11 pinnate veins on each side of the midrib and up to 4 (excluding the midrib) parallel veins)" 299 299 "Leaf blade in lateral view incurved to straight, verrucose (often strongly so); ovules c. 10-15 per locule" "Melaleuca sclerophylla" 299 "Leaf blade in lateral view recurved (rarely straight), more or less smooth; ovules 5-6 per locule" "Melaleuca spathulata" 300 "Leaf blade with the oil glands in rows or more or less in rows" "Melaleuca concinna" 300 "Leaf blade with the oil glands scattered" 301 301 "Leaf blade verruculose to smooth, the apex acuminate (rarely acute to obtuse)" "Melaleuca carrii" 301 "Leaf blade strongly verrucose and often also verruculose or the blade verruculose only, the apex obtuse to acute (occasionally narrowly acute or indistinctly acuminate)" 302 302 "Leaves hairy, the blade transversely oblong to transversely broadly elliptic in transverse section, calyx lobes transversely semi-elliptic, petals hairy, cotyledons planoconvex" "Melaleuca genialis" 302 "Leaves glabrescent, the blade transversely elliptic to transversely narrowly elliptic in transverse section, calyx lobes broadly ovate or triangular, petals glabrous, cotyledons obvolute" "Melaleuca tinkeri" 303 "Leaf blade in transverse section transversely linear, sublunate, or lunate" 304 303 "Leaf blade in transverse section circular, subcircular, depressed obovate, transversely elliptic, or transversely narrowly elliptic" 305 304 "Leaf blade usually elliptic (sometimes narrowly elliptic or narrowly obovate); majority of leaves on the specimen 2-2.8 times as long as wide (range 1.5-4.8)" "Melaleuca amydra" 304 "Leaf blade usually narrowly obovate to very narrowly obovate (sometimes obovate, linear-obovate, narrowly elliptic, or elliptic); majority of leaves on the specimen 2.5-5 times as long as wide (range 2-7.5)" "Melaleuca seriata" 304 "Leaf blade usually obovate (occasionally elliptic, rarely obovate); majority of leaves on the specimen 1.6-1.8 times as long as wide (range 1-2.2)" "Melaleuca ryeae" 305 "Leaf blade with the oil glands scattered" 306 305 "Leaf blade with the oil glands in rows or more less in rows" 308 306 "Style 9.5-20 mm long; leaf blade indumentum composed of spreading pubescent hairs (these rarely dimorphic with a dense short layer of hairs overtopped by long hairs, rarely the short layer of hairs more or less lanuginulose-puberulous)" "Melaleuca trichophylla" 306 "Style 7.5-9 mm long; leaf blade indumentum composed of ascending to spreading-ascending sericeous-pubescent hairs and rarely with some appressed sericeous or lanuginose-sericeous hairs as well, or only of appressed to ascending sericeous to lanuginose-sericeous hairs" 307 307 "Leaves hairy, the blade transversely oblong to transversely broadly elliptic in transverse section, calyx lobes transversely semi-elliptic, petals hairy, cotyledons planoconvex" "Melaleuca genialis" 307 "Leaves glabrescent, the blade transversely elliptic to transversely narrowly elliptic in transverse section, calyx lobes broadly ovate or triangular, petals glabrous, cotyledons obvolute" "Melaleuca tinkeri" 308 "Leaf blade in transverse section transversely elliptic or depressed obovate; hypanthium with hairs evenly distributed on the outer wall; leaf blade 0.5-0.9 mm wide" "Melaleuca clavifolia" 308 "Leaf blade in transverse section transversely linear, transversely semielliptic or sublunate; hypanthium with hairs on the proximal region only of the outer wall; leaf blade 1-2.7 mm wide" "Melaleuca seriata" 309 "Leaves 55-155 mm long" "Melaleuca nematophylla" 309 "Leaves up to 35 mm long" 310 310 "Style up to 8 mm long" 311 310 "Style 8.5 mm long or more" 323 311 "Petiole up to 0.3 mm long" 312 311 "Petiole more than 0.3 mm long" 316 312 "Leaf blade in transverse section transversely linear" 313 312 "Leaf blade in transverse section subcircular, circular transversely elliptic, transversely narrowly elliptic, depressed obovate" 314 313 "Leaf blade elliptic, narrowly elliptic, narrowly ovate, or ovate; leaves 2-4.5 mm wide, 2-3.9 times as long as wide" "Melaleuca polycephala" 313 "Leaf blade very narrowly obovate or linear-obovate; leaves 1-2.5 mm wide, 5.3-16.6 times as long as wide" "Melaleuca caeca" 314 "Leaf blade with the oil glands scattered" "Melaleuca carrii" 314 "Leaf blade with the oil glands in rows or more or less so" 315 315 "Leaves 2-3.3 mm long, never glaucous" "Melaleuca seriata" 315 "Leaves 5-19.5 mm long, sometimes glaucous" "Melaleuca rigidifolia" 316 "Branchlets hairy to glabrescent" 317 316 "Branchlets glabrous" 320 317 "Leaves 2-3.3 mm long" "Melaleuca seriata" 317 "Leaves 3.5-19.5 mm long" 318 318 "Petiole less than 0.5 mm long" "Melaleuca rigidifolia" 318 "Petiole 0.5-1.3 mm long" 319 319 "Leaf blade in lateral view incurved to straight, rarely recurved; hypanthium usually glabrous, if hairy the the hairs on the proximal region of the outer wall only" "Melaleuca societatis" 319 "Leaf blade in lateral view recurved to straight; hypanthium hairy, the hairs evenly distributed on the outer wall" "Melaleuca concinna" 320 "Leaves 2-3.3 mm long" "Melaleuca seriata" 320 "Leaves 3.5-21 mm long" 321 321 "Leaf blade verruculose, often channeled on the adaxial surface (the blade greenish or brownish, never silvery, greyish, or glaucous)" "Melaleuca scabra" 321 "Leaf blade smooth (rarely verruculose or finely so), not channeled on the adaxial surface (the blade greenish, brownish, greyish, silvery, or glaucous)" 322 322 "Leaves 3.5-8.5 mm long, petiole 0.5-1.3 mm long" "Melaleuca societatis" 322 "Leaves 5-19.5 mm long, petiole not more than 0.5 mm long" "Melaleuca rigidifolia" 323 "Leaf blade glabrous" 324 323 "Leaf blade glabrescent or hairy" 326 324 "Leaf blade verruculose, often channelled on the adaxial surface" "Melaleuca scabra" 324 "Leaf blade smooth, not channelled on the adaxial surface" 325 325 "Infructescence usually subtended by persistent leaf bases" "Melaleuca trichophylla" 325 "Infructescence not subtended by persistent leaf bases" "Melaleuca clavifolia" 326 "Leaf blade in transverse section circular, subcircular, depressed obovate, transversely elliptic, or transversely narrowly elliptic" "Melaleuca trichophylla" 326 "Leaf blade in transverse section transversely linear, sublunate, lunate, or transversely semielliptic" 327 327 "Leaf blade usually elliptic (sometimes narrowly elliptic or narrowly obovate); majority of leaves on the specimen 2-2.8 times as long as wide (range 1.5-4.8)" "Melaleuca amydra" 327 "Leaf blade usually narrowly obovate to very narrowly obovate (sometimes obovate, linear-obovate, narrowly elliptic, or elliptic); majority of leaves on the specimen 2.5-5 times as long as wide (range 2-7.5)" "Melaleuca seriata" 327 "Leaf blade usually obovate (occasionally elliptic, rarely obovate); majority of leaves on the specimen 1.6-1.8 times as long as wide (range 1-2.2)" "Melaleuca ryeae" 328 "Inflorescence axis sericeous" "Melaleuca papillosa" 328 "Inflorescence axis pubescent" 329 329 "Hypanthium indumentum composed of distinctly matted hairs (these may be sericeous, lanuginulose-sericeous, or sericeous-pubescent)" "Melaleuca stramentosa" 329 "Hypanthium, if hairy, with the indumentum composed of non-matted hairs" 330 330 "Calyx lobes hairy on the abaxial surface" 331 330 "Calyx lobes glabrous on the abaxial surface" 340 331 "Branchlet indumentum composed of sericeous hairs" 332 331 "Branchlet indumentum composed of pubescent or puberulous hairs, or with lanuginose, lanuginose-pubescent or lanuginulose hairs" 334 332 "Stamens 4-5 per bundle" "Melaleuca similis" 332 "Stamens 6-10 per bundle" 333 333 "Style 7.5-8 mm long; leaf blade in transverse section usually sublunate or transversely linear, or transversely semielliptic to shallowly lunate" "Melaleuca sapientes" 333 "Style 11-13 mm long; leaf blade in transverse section usually quadrate to broadly oblong, or subcircular to transversely elliptic" "Melaleuca idana" 334 "Leaf blade elliptic (if ever narrowly elliptic or narrowly obovate then the leaf blade in transverse section transversely linear, sublunate or lunate)" "Melaleuca amydra" 334 "Leaf blade usually linear, linear-obovate, narrowly oblong (the leaf blade in transverse section never transversely linear, sublunate or lunate)" 335 335 "Style 6.5-8 mm long; bracts subtending the inflorescence usually ""fluffy"" in appearance" "Melaleuca plumea" 335 "Style 9.5-18 mm long; bracts subtending the inflorescence, if present, never ""fluffy"" in appearance" 336 336 "Leaf blade with the indumentum composed of pubescent hairs (these usually longish but sometimes with some shorter hairs present also, but despite this the hairs effectively are monomorphic)" 337 336 "Leaf blade with the indumentum composed of a layer of short pubescent hairs overtopped by (often sparser) long pubescent hairs (the hairs are distinctly dimorphic)" 339 337 "Branchlet indumentum two-layered (with a dense layer of puberulous to shortly pubescent hairs overtopped by sparser long pubescent hairs)" "Melaleuca urceolaris" 337 "Branchlet indumentum one-layered (with short grading to long pubescent hairs, or with lanuginose to lanuginose-pubescent hairs that contrast strongly with the long pubescent leaf hairs)" 338 338 "Branchlet indumentum composed of short grading to long pubescent hairs; buds never rostrate" "Melaleuca trichophylla" 338 "Branchlet indumentum composed of lanuginose to lanuginose-pubescent hairs that often contrast strongly with the long pubescent leaf hairs; buds often rostrate (due to the long acuminate calyx lobe apices)" "Melaleuca psammophila" 339 "Leaves 4.8-10.5 mm long, the apex rounded to obtuse; calyx lobes 1-2.5 mm long; stamens 8-13 per bundle" "Melaleuca beardii" 339 "Leaves 8-31 mm long, the apex acute, narrowly acute, shortly acuminate or obtuse; calyx lobes 0.5-1.5 mm long; stamens 5-10 per bundle" "Melaleuca trichophylla" 340 "Leaf blade in transverse section transversely linear, sublunate, lunate, or transversely semielliptic" 341 340 "Leaf blade in transverse section subcircular, depressed obovate, semicircular, transversely semielliptic, or transversely narrowly elliptic (often the adaxial surface with two channels or the midrib region raised; if shallowly lunate then the fruit 4.8-6.5 mm long)" 343 341 "Leaf blade usually elliptic (sometimes narrowly elliptic or narrowly obovate; majority of leaves on the specimen 2-2.8 times as long as wide (range 1.5-4.8))" "Melaleuca amydra" 341 "Leaf blade usually narrowly obovate to very narrowly obovate (sometimes obovate, linear-obovate, narrowly elliptic, or elliptic; leaves 2-7.5 times as long as wide (in M. seriata the majority of leaves on the specimen 2.5-5 times as long as wide))" 342 342 "Stamens 5-8 per bundle; style 8.5-10 mm long" "Melaleuca seriata" 342 "Stamens 8-13 per bundle; style 10-13 mm long" "Melaleuca zonalis" 343 "Leaves 2-8(-10.5) mm long" 344 343 "Leaves 9-26 mm long" 348 344 "Leaf blade glabrous (rarely with an occasional hair; fruit 2.5-3 mm long)" "Melaleuca seriata" 344 "Leaf blade glabrescent (distinctly hairy when young, some hairs usually persisting; fruit 2.5-6.5 mm long)" 345 345 "Calyx lobes at the apex acuminate to long acuminate, the flower buds usually rostrate due to the acuminate sepal apex" "Melaleuca psammophila" 345 "Calyx lobes not acuminate to long acuminate at the apex, the flower buds not rostrate" 346 346 "Stamens 3-7 per bundle (style 6.5-10.5 mm long; fruit 2.5-4 mm long)" "Melaleuca subtrigona" 346 "Stamens 6-13 per bundle (style 10-15 mm long; fruit (3-)4.8-6.5 mm long" 347 347 "Leaf blade in transverse section transversely semielliptic or shallowly lunate, the blade often channelled" "Melaleuca bisulcata" 347 "Leaf blade in transverse section depressed obovate, transversely elliptic or subcircular, the blade not channelled" "Melaleuca beardii" 348 "Style 6.5-10.5 mm long" "Melaleuca subtrigona" 348 "Style 12.5-18 mm long" "Melaleuca trichophylla" 349 "Petals caducous (rarely deciduous and if so then plant having the following combination of characters: leaves more than 24 mm long; basic floral unit a monad; hypanthium 1.1-1.5 mm long; calyx lobes non-costate, triangular, 0.7-0.9 mm long)" 350 349 "Petals deciduous (if basic floral unit is a monad then plant not having the following combination of characters: leaves more than 24 mm long; hypanthium 1.1-1.5 mm long; calyx lobes non-costate, triangular, 0.7-0.9 mm long)" 362 350 "Staminal filaments white, cream, or yellow (sometimes ageing reddish)" 351 350 "Staminal filaments pink, mauve, magenta, or purple (often ageing whitish)" 354 351 "Flowers in monads or dyads" "Melaleuca alsophila" 351 "Flowers in triads" 352 352 "Leaves 3-veined; calyx glabrous on the abaxial surface, usually unlobed (calyx then an unbroken ring of tissue) but sometimes variously partitioned into up to 5 or so lobes" "Melaleuca ciliosa" 352 "Leaves 5-7-veined; calyx puberulous to pubescent on the abaxial surface, the lobes usually 5 or sometimes 4" 353 353 "Leaves 3.5-6.6 mm long, the apex obtuse to rounded (rarely acute to broadly acute)" "Melaleuca huttensis" 353 "Leaves 9.5-34 mm long, the apex acuminate" "Melaleuca oldfieldii" 354 "Leaves subcircular, broadly ovate, transversely broadly elliptic, broadly elliptic, elliptic, or occasionally broadly obovate, 0.7-2.2 times as long as wide" "Melaleuca orbicularis" 354 "Leaves obovate, narrowly obovate, broadly obovate, linear, linear-obovate, narrowly elliptic, linear-elliptic, or elliptic, (1.6-)2.4-17.9 times as long as wide" 355 355 "Infructescence typically globose or subglobose (the constituent fruits closely packed (often into a ball-like structure) and not retaining a significant separate identity)" 356 355 "Infructescence not globose or subglobose (the constituent fruits ""peg-like"" and retaining a significant separate identity)" 361 356 "Leaf blade remaining hairy (distinctly so with the indumentum composed of dense, sericeous hairs becoming sericeous-pubescent to pubescent proximally)" "Melaleuca venusta" 356 "Leaf blade glabrescent" 357 357 "Branchlet indumentum composed of spreading-ascending to spreading pubescent hairs" "Melaleuca keigheryi" 357 "Branchlet indumentum composed of appressed sericeous hairs, sometimes the hairs ascending to spreading and sericeous-pubescent to pubescent (mature leaf blade then having a groove or channel on the abaxial surface)" 358 358 "Mature leaf blade with a deep groove or channel on the abaxial surface" "Melaleuca pentagona" 358 "Mature leaf blade without grooves or channels on the abaxial surface (rarely the midrib impressed)" 359 359 "Calyx not distinctly differentiated into 5 lobes, usually an unbroken ring of tissue" "Melaleuca campanae" 359 "Calyx distinctly differentiated into 5 lobes" 360 360 "Hypanthium hairy; calyx lobes 0.6-0.8 mm long; style 10-11 mm long" "Melaleuca eulobata" 360 "Hypanthium glabrous or hairy (rarely hairy throughout, more often scattered hairs present at the base); calyx lobes 0.3-0.6 mm long; style 6.5-c.8 mm long" "Melaleuca pentagona" 361 "Leaf blade indumentum usually more or less persistent, composed of appressed to ascending more or less sericeous hairs (rarely of spreading pubescent hairs)" "Melaleuca leptospermoides" 361 "Leaf blade indumentum not persistent (the blade may sometimes be glabrous), composed of ascending to (mostly) spreading hairs" "Melaleuca tuberculata" 362 "Staminal filaments at anthesis white, cream, yellow, or green, sometimes ageing reddish" 363 362 "Staminal filaments at anthesis pink, mauve, or purplish, often ageing whitish" 387 363 "Flowers in monads" 364 363 "Flowers in triads" 372 364 "Style 2-5.9 mm long" 365 364 "Style 7-13 mm long" 366 365 "Inflorescence 1-3-flowered (usually 1)" "Melaleuca podiocarpa" 365 "Inflorescence 15-37-flowered" "Melaleuca densa" 366 "Calyx lobes deciduous and in fruit not replaced by sepaline teeth" "Melaleuca leiocarpa" 366 "Calyx lobes persisting in fruit or replaced by sepaline teeth" 367 367 "Calyx lobes costate" 368 367 "Calyx lobes not costate" 371 368 "Hypanthium hairy" "Melaleuca undulata" 368 "Hypanthium glabrous" 369 369 "Leaf blade with indumentum composed of long cilia on the margin (the lamina per se is glabrous), glabrescent" "Melaleuca undulata" 369 "Leaf blade with indumentum composed of sericeous or sericeous-lanuginulous hairs (sometimes with some lanuginulose-puberulous or lanuginulose hairs also), glabrescent" 370 370 "Leaves 3.9–8 times as long as wide, the blade 7–25 mm long and lunate, sublunate or transversely narrowly elliptic (approaching transversely linear) in transverse section, petals distinctly clawed" "Melaleuca acutifolia" 370 "Leaves 1.2–3.2 times as long as wide, the blade 4–12 mm long and transversely linear in transverse section, petals obscurely clawed" "Melaleuca lateriflora" 371 "Leaf apex rounded to obtuse, leaf blade lunate in transverse section" "Melaleuca eurystoma" 371 "Leaf apex acute to (rarely) acuminate, leaf blade transversely linear in transverse section" "Melaleuca ringens" 372 "Leaf blade with the oil glands scattered" 373 372 "Leaf blade with the oil glands more or less in rows" 383 373 "Leaf blade 3-veined" 374 373 "Leaf blade 5-11 veined" 380 374 "Leaf blade usually obovate to broadly obovate, 1.2-3.3 times as long as wide" "Melaleuca megacephala" 374 "Leaf blade usually very narrowly obovate, narrowly obovate, linear-obovate, or very narrowly elliptic" 375 375 "Calyx lobes hairy on the abaxial surface" 376 375 "Calyx lobes glabrous on the abaxial surface" 378 376 "Branchlet indumentum composed of sericeous to sericeous-pubescent hairs; cotyledons subobvolute (almost planoconvex)" "Melaleuca sericea" 376 "Branchlet indumentum composed of pubescent to puberulous hairs (rarely of sericeous to sericeous-pubescent hairs); cotyledons obvolute" 377 377 "Fruit 1.5-2.5 mm long; staminal filaments 4-6.6 mm long, 4-13 per bundle; leaves 11.5-78 mm long" "Melaleuca glomerata" 377 "Fruit 4.5-6.5 mm long; staminal filaments 7.3-10.8 mm long, 8-14 per bundle (mostly 11-14); leaves 7.5-16 mm long" "Melaleuca leiopyxis" 378 "Infructescence typically globose or subglobose (the constituent fruits closely packed (often into a ball-like structure) and not retaining a significant separate identity)" "Melaleuca uncinata" 378 "Infructescence not globose or subglobose (the constituent fruits ""peg-like"" and retaining a significant separate identity)" 379 379 "Hypanthium 1.2-1.8 mm long; calyx lobes 2-5 (calyx variously divided into lobes)" "Melaleuca zonalis" 379 "Hypanthium 2-3 mm long; calyx lobes 5" "Melaleuca leiopyxis" 380 "Calyx 2-5-lobed (mostly 2-4-lobed); leaf blade margin verruculose, minutely crenulate, or rarely entire" "Melaleuca megacephala" 380 "Calyx 5-lobed (consistently so); leaf blade margin entire" 381 381 "Calyx lobes herbaceous in the proximal-central zone and scarious in a broadish marginal band (northern Australia)" "Melaleuca sericea" 381 "Calyx lobes scarious throughout or rarely herbaceous in the proximal-central zone and scarious in a broadish marginal band (southwestern Australia)" 382 382 "Leaf blade 5-veined" "Melaleuca croxfordiae" 382 "Leaf blade 7-11-veined" "Melaleuca globifera" 383 "Leaf blade 3-veined" 384 383 "Leaf blade 5-11-veined" 385 384 "Leaf blade narrowly obovate, very narrowly obovate, or narrowly elliptic; leaves 8.5-30.5 mm long; petal oil glands elliptic, subcircular, or rarely circular" "Melaleuca zonalis" 384 "Leaf blade usually elliptic to narrowly elliptic, sometimes narrowly obovate, very narrowly obovate, or broadly elliptic; leaves 6.4-12.5 mm long; petal oil glands linear, elliptic, or sometimes subcircular" "Melaleuca depressa" 384 "Leaf blade obovate or elliptic; leaves 4.5-8.5 mm long; petal oil glands subcircular to circular" "Melaleuca lara" 385 "Leaves more than 36 mm long" "Melaleuca globifera" 385 "Leaves up to 24 mm long" 386 386 "Calyx lobes hairy on the abaxial surface; stamens 9-13 per bundle" "Melaleuca depressa" 386 "Calyx lobes glabrous on the abaxial surface; stamens 5-8 per bundle" "Melaleuca hnatiukii" 387 "Style up to 6 mm long" 388 387 "Style more than 6 mm long" 389 388 "Calyx lobes hairy on the abaxial surface; stamens 4-7 per bundle; leaf blade with the margin subentire to verrucose" "Melaleuca sclerophylla" 388 "Calyx lobes glabrous on the abaxial surface; stamens 3-4 per bundle (usually 3); leaf blade with the margin entire" "Melaleuca polycephala" 389 "Hypanthium glabrous" "Melaleuca nesophila" 389 "Hypanthium hairy" 390 390 "Calyx lobes scarious throughout" 391 390 "Calyx lobes herbaceous in the proximal-central zone and scarious in a broadish marginal band" 392 391 "Leaves 3-9 mm long" "Melaleuca ryeae" 391 "Leaves 24-46 mm long" "Melaleuca glena" 392 "Petals hairy on the lamina (the margin ciliate); hypanthium 2.5-3.5 mm long, 3-4.5 mm wide" "Melaleuca fabri" 392 "Petals glabrous on the lamina (the margin ciliate or not); hypanthium 1.5-2.5 mm long, 1.7-3 mm wide" 393 393 "Leaf blade usually 3-parallel-veined with 7-11 pinnate veins on each side of the middle vein (sometimes with a few additional parallel veins present and then with fewer pinnate veins, rarely the venation consists only of parallel veins)" "Melaleuca barlowii" 393 "Leaf blade 5-9-parallel-veined" 394 394 "Leaf blade broadly ovate to ovate" "Melaleuca cordata" 394 "Leaf blade narrowly obovate, oblong, narrowly elliptic, elliptic, obovate, or rarely ovate" 395 395 "Branchlets and leaves glabrescent; inflorescences usually pseudoterminal (occasionally some are lateral in the distal leaf axils)" "Melaleuca conothamnoides" 395 "Branchlets and leaves glabrous; inflorescences usually lateral and often below the leaves (occasionally some are pseudoterminal)" "Melaleuca glena" 396 "Staminal filaments less than 12 mm long" 397 396 "Staminal filaments more than 12 mm long" 401 397 "Stamens more than 30 per bundle" "Melaleuca cardiophylla" 397 "Stamens fewer than 20 per bundle" 398 398 "Branchlets not impressed adjacent to each leaf blade; calyx lobes not costate" "Melaleuca cucullata" 398 "Branchlets impressed (""excavated"") adjacent to each leaf blade; calyx lobes costate (sometimes indistinctly so)" 399 399 "Stamens 1-seriate" "Melaleuca thyoides" 399 "Stamens 2-seriate" 400 400 "Flowers in triads or monads, the flowers of the triads more or less in a row (the central flower very slightly displaced towards the shoot apex)" "Melaleuca nanophylla" 400 "Flowers in triads, the flowers more or less arranged in a triangle (the central flower distinctly displaced towards the shoot apex)" "Melaleuca huegelii" 401 "Floral bract subtending the monad (i.e., the flower) 5–8 mm long; bracteoles subtending each flower 5–8 mm long, linear, narrowly obovate, linear-elliptic, or linear- obovate; petals 4.5–6.5 mm long; cotyledons planoconvex" "Melaleuca spectabilis" 401 "floral bract 1.5–2.7 mm long; bracteoles 1.5–1.8 mm long, elliptic, narrowly elliptic, or narrowly ovate; petals 3–3.7 mm long; cotyledons obvolute" "Melaleuca longistaminea"