1 "Plants perennial" 2 1 "Plants annual or biennial" 47 2 "Plants woody" 3 2 "Plants herbaceous" 18 3 "Plants forming alpine cushions" "Pterygopappus {Pterygopappus lawrencei}" 3 "Plants shrubby, sometimes mat-forming" 4 4 "Capitula heterogamous, radiate or disciform" 5 4 "Capitula homogamous, discoid" 8 5 "Sweeping hairs on style branches dorsally only or apically and dorsally" "Cremnothamnus {Cremnothamnus thomsonii}" 5 "Sweeping hairs on style branches apically only" 6 6 "Plants mat-forming" Argyrotegium 6 "Plants erect shrubs or small trees" 7 7 "Branches terminating in a thorn" "Acanthocladium {Acanthocladium dockeri}" 7 "Branches not terminating in a thorn" Ozothamnus 8 "Leaf lamina flat (revolute or involute margins, if any) <10% of width)" 9 8 "Leaf lamina not flat (trigonous in section or often appearing ± terete due to inrolled margins)" 14 9 "Capitula solitary or only few together" 10 9 "Capitula many in corymbs" 11 10 "Receptacle conical, involucral bracts cartilaginous" "Argyroglottis {Argyroglottis turbinata}" 10 "Receptacle flat to convex, involucral bracts papery" Ozothamnus 11 "Paleae present; florets 3–15 per capitulum" 12 11 "Paleae absent; florets more than 15 per capitulum" 13 12 "Involucral bracts incurved at apex" Cassinia 12 "involucral bracts with spreading tips" Ixodia 13 "Subherbaceous perennials, with weakly woody stems dying back after flowering; inner involucral bracts with radiating tips" Pithocarpa 13 "Shrubs or small trees with permanent woody branches, or if subherbaceous perennials, inner involucral bracts lacking radiating tips" Ozothamnus 14 "Leaves trigonous in section, ± glabrous with embedded dark glands" 15 14 "Leaves dorsiventral but with margins involute or revolute, occupying major part of lamina (and therefore appearing almost terete), usually hairy (at least abaxially), lacking embedded glands" 16 15 "Paleae sheathing achene" "Paenula {Paenula storyi}" 15 "Paleae absent" Haeckeria 16 "Leaf margin involute" Odixia 16 "Leaf margin revolute" 17 17 "Paleae present" Cassinia 17 "Paleae absent" Ozothamnus 18 "Capitula homogamous" 19 18 "Capitula heterogamous" 34 19 "Stereome divided" 20 19 "Stereome undivided" 24 20 "Involucral bracts brownish or hyaline" 21 20 "Involucral bracts white or coloured" 23 21 "Receptacle flat or convex" Acomis 21 "Receptacle conical" 22 22 "Pappus of flattened bristles; achenes without reddish knob" "Leucophyta {Leucophyta brownii}" 22 "Pappus of rudimentary bristles or scale; achenes with conspicuous reddish knobs" Rutidosis 23 "Anther appendage narrower than thecae" Argentipallium 23 "Anther appendage as wide as thecae" Leucochrysum 24 "Plants functionally dioecious" "Parantennaria {Parantennaria uniceps}" 24 "Plants synoecious" 25 25 "Capitula solitary or a few together" 26 25 "Capitula many" 31 26 "Basal claw on involucral bract distinct; receptacle epaleate" 27 26 "Basal claw on involucral bract absent; receptacle paleate" 30 27 "Pappus bristles glabrous; heads compound" "Rhetinocarpha {Rhetinocarpha suffruticosa}" 27 "Pappus bristles barbellate or plumose: heads simple" 28 28 "Pappus bristles plumose" Leucochrysum 28 "Pappus bristles barbellate" 29 29 "Pericarp papery; style apex rounded; carpopodium several cells high" Anemocarpa 29 "Pericarp brittle; style apex ovate to acuminate; carpopodium 1 cell high" Coronidium 30 "Erect perennial non-stoloniferous (rosette-forming) herbs; achene spines slender" Ammobium 30 "Creeping perennial stoloniferous herbs; achene spines thick" "Nablonium {Nablonium calyceroides}" 31 "Capitula in glomerules" 32 31 "Capitula in panicles" 33 32 "Capitula pedicellate" Craspedia 32 "Capitula sessile" Pycnosorus 33 "Receptacle conical, paleate" "Apalochlamys {Apalochlamys spectabilis}" 33 "Receptacle flat or convex, epaleate" "Calomeria {Calomeria amaranthoides}" 34 "Outer florets blue to purple" 35 34 "Outer florets yellow, white, or pale green" 39 35 "Central florets functionally male or female" Ewartia 35 "Central florets bisexual" 36 36 "Sweeping hairs on style branches dorsally and apically" 37 36 "Sweeping hairs on style branches apically only or dorsally only" 38 37 "Distinct outer florets radiate or absent" Rutidosis 37 "Distinct outer florets filiform" Euchiton 38 "Achene hairs short, clavate" Gnaphalium 38 "Achene hairs globose, elongated or absent" Gamochaeta 39 "Sweeping hairs on style branches apically and dorsally" 40 39 "Sweeping hairs on style branches only apically" 43 40 "Capitula many" Euchiton 40 "Capitula solitary or few" 41 41 "Involucral bracts white or coloured" Xerochrysum 41 "Involucral bracts brownish or hyaline" 42 42 "Style apex obtuse; stereome undivided" Argyrotegium 42 "Style apex much prolonged; stereome divided" Rutidosis 43 "Involucral bracts brownish or hyaline" 44 43 "Involucral bracts white or coloured" 45 44 "Achenes hispid; pappus deciduous" "Ixiolaena {Ixiolaena viscosa}" 44 "Achenes glabrous; pappus persistent" Leiocarpa 45 "Distinct outer florets more numerous than central florets" Helichrysum 45 "Distinct outer florets fewer than central florets, or absent" 46 46 "Anther appendages flat; achenes oblong" Argentipallium 46 "Anther appendages concave; achenes ellipsoidal to turbinate" Chrysocephalum 47 "Capitula homogamous" 48 47 "Capitula heterogamous" 101 48 "Achenes ellipsoid or turbinate or long and rod-like" 49 48 "Achenes oblong or obovoid" 63 49 "Achenes long and rod-like" "Chondropyxis {Chondropyxis halophila}" 49 "Achenes ellipsoid or turbinate" 50 50 "Involucral bracts in one whorl" Millotia 50 "Involucral bracts in more than one whorl" 51 51 "Involucral bracts with a distinct claw" 52 51 "Involucral bracts without a claw" 55 52 "Central florets functionally male" Schoenia 52 "Central florets bisexual" 53 53 "Achene unbeaked" Leucochrysum 53 "Achene beaked" 54 54 "Innermost involucral bracts with linear claws longer than the small, hyaline, white or coloured laminae" Waitzia 54 "Innermost involucral bracts with flattened claws shorter than the large, broad, flat, yellow laminae" Haptotrichion 55 "Involucral bracts herbaceous" 56 55 "Involucral bracts papery or cartilaginous" 57 56 "Receptacle epaleate" Podotheca 56 "Receptacle paleate" "Neotysonia {Neotysonia phyllostegia}" 57 "Involucral bracts cartilaginous" 58 57 "Involucral bracts papery" 59 58 "Pappus bristles capillary" "Taplinia {Taplinia saxatilis}" 58 "Pappus bristles few, scale-like" "Quinetia {Quinetia urvillei}" 59 "Achene longer than or equalling corolla" 60 59 "Achene shorter than corolla" 62 60 "Receptacle conical" "Bellida {Bellida graminea}" 60 "Receptacle flat or convex" 61 61 "Receptacle paleate" "Neotysonia {Neotysonia phyllostegia}" 61 "Receptacle epaleate" "Quinqueremulus {Quinqueremulus linearis}" 62 "Stereome divided: receptacle conical" Rutidosis 62 "Stereome undivided; receptacle flat" "Gilberta {Gilberta tenuifolia}" 63 "Achene of central floret oblong" 64 63 "Achene of central floret obovoid" 65 64 "Involucral bracts brownish hyaline" "Phacellothrix {Phacellothrix cladochaeta}" 64 "Involucral bracts opaque, white" "Vellereophyton {Vellereophyton dealbatum}" 65 "Involucral bracts brownish hyaline or clear hyaline" 66 65 "Involucral bracts white or coloured" 87 66 "Receptacle paleate" 67 66 "Receptacle epaleate" 71 67 "Receptacle flat or convex" 68 67 "Receptacle conical or peg-like" 70 68 "Involucral bracts cartilaginous; pappus of connate scales" Trichanthodium 68 "Involucral bracts cartilaginous; pappus of scales absent" 69 69 "Capitula surrounded by whorl of leaves" Chthonocephalus 69 "Capitula not surrounded by whorl of leaves" "Decazesia {Decazesia hecatocephala}" 70 "Receptacle conical" Siloxerus 70 "Receptacle peg-like" Craspedia 71 "Achenes hairy" 72 71 "Achenes glabrous" 82 72 "Achenes densely villous" 73 72 "Achenes not densely villous" 76 73 "Receptacle peg-like" "Fitzwillia {Fitzwillia axilliflora}" 73 "Receptacle conical" 74 74 "Leaf glands distinct" Polycalymma 74 "Leaf glands absent" 75 75 "Pappus of basally connate subplumose to plumose bristles" "Feldstonia {Feldstonia nitens}" 75 "Pappus of basally connate short flattened bristles" Dithyrostegia 76 "Receptacle flat or convex" 77 76 "Receptacle conical or peg-like" 79 77 "Involucral bracts cartilaginous" Trichanthodium 77 "Involucral bracts papery" 78 78 "Leaf glands distinct" Eriochlamys 78 "Leaf glands absent" Pogonolepis 79 "Receptacle peg-like" Blennospora 79 "Receptacle conical" 80 80 "Leaf glands absent: pappus plumose, at least apically" Actinobole 80 "Leaf glands distinct; pappus bristles scabrid or barbellate" 81 81 "Capitula surrounded by whorl of leaves" Myriocephalus 81 "Capitula not surrounded by whorl of leaves" Gnephosis 82 "Involucral bracts cartilagineous" 83 82 "Involucral bracts papery" 84 83 "Involucral bracts in several whorls" "Dielitzia {Dielitzia tysonii}" 83 "Involucral bracts in 1 whorl" Sondottia 84 "Leaves glabrous" "Lemooria {Lemooria burkittii}" 84 "Leaves tomentose" 85 85 "Leaf glands distinct; receptacle conical" "Hyalochlamys {Hyalochlamys globifera}" 85 "Leaf glands absent; receptacle flat or convex" 86 86 "Pappus basally connate as a jagged scale-like cup" "Cephalosorus {Cephalosorus carpesioides}" 86 "Pappus absent" "Epitriche {Epitriche demissus}" 87 "Involucral bracts herbaceous" Podotheca 87 "Involucral bracts papery" 88 88 "Inner involucral bracts conspicuously longer than outer bracts" 89 88 "Inner involucral bracts not conspicuously longer than outer bracts" 96 89 "Pappus absent" Pithocarpa 89 "Pappus present" 90 90 "Pappus scabrid or barbellate" 91 90 "Pappus plumose at least apically" 94 91 "Leaves alternate" 92 91 "Leaves opposite, at least basally" 93 92 "Leaves filiform" Erymophyllum 92 "Leaves linear or elliptic to ovate" Pithocarpa 93 "Achenes of outer florets dorsiventrally compressed, not basally excavated; 2 vascular bundles medial to cotyledons; anther appendage cordate; pappus colourless or yellow" Schoenia 93 "Achenes of outer florets not dorsiventrally compressed, basally excavated; 2 vascular bundles lateral to cotyledons; anther appendage broadly ovate; pappus colourless or pink" Lawrencella 94 "Receptacle flat or convex; pappus bristles free or cohering by patent cilia" "Cephalipterum {Cephalipterum drummondii}" 94 "Receptacle conical; pappus bristles connate in a ring" 95 95 "Achenes densely villose with elongated twin hairs" Rhodanthe 95 "Achenes not villous, but with sessile globose hairs" Hyalosperma 96 "Pappus absent" "Thiseltonia {Thiseltonia gracillima}" 96 "Pappus present" 97 97 "Pappus of jagged scales" "Angianthus {Angianthus phyllocalymmeus}" 97 "Pappus of flattened plumose bristles" 98 98 "Achenes glabrous" "Gilruthia {Gilruthia osbornii}" 98 "Achenes hairy" 99 99 "Receptacle paleate" Pycnosorus 99 "Receptacle epaleate" 100 100 "Involucral bracts usually 4; 2 concave outer bracts & (0–) 2 inner flat bracts" Angianthus 100 "Involucral bracts 7–c. 22, flat to concave" Calocephalus 101 "Central floret achene obovoid" 102 101 "Central floret achene ellipsoid, turbinate or oblong" 104 102 "Capitula in glomerules or spikes" "Tietkensia {Tietkensia corrickiae}" 102 "Capitula solitary or few together" 103 103 "Inner bracts opaque, conspicuously longer than outer bracts" Lawrencella 103 "Inner bracts hyaline; not conspicuously longer than outer bracts" "Haegiela {Haegiela tatei}" 104 "Central floret achene ellipsoid or turbinate" 105 104 "Central floret achene oblong" 116 105 "Outer florets radiate" 106 105 "Outer florets filiform or tubular, or corolla absent" 107 106 "Involucral bracts filiform-subulate, densely plumose" Asteridea 106 "Involucral bracts flat, mainly broad-ovate (inner ones with claws concealed by outer bracts), glabrous to long-ciliate only on margins" Podolepis 107 "Central florets functionally staminate" "Basedowia {Basedowia tenerrima}" 107 "Central florets bisexual" 108 108 "Leaf glands distinct" 109 108 "Leaf glands absent" 111 109 "Involucral bracts brownish or hyaline" Asteridea 109 "Involucral bracts white or coloured" 110 110 "Pappus bristle one" "Gratwickia {Gratwickia monochaeta}" 110 "Pappus bristles more than one" Chrysocephalum 111 "Capitula surrounded by a whorl of leaves" 112 111 "Capitula not surrounded by a whorl of leaves" 114 112 "Involucral bracts opaque white" "Pterochaeta {Pterochaeta paniculata}" 112 "Involucral bracts brownish or hyaline" 113 113 "Receptacle conical" "Triptilodiscus {Triptilodiscus pygmaeus}" 113 "Receptacle flat or convex" Euchiton 114 "Leaves opposite, at least basally" "Haegiela {Haegiela tatei}" 114 "Leaves all alternate" 115 115 "Outer florets purple to blue" "Facelis {Facelis retusa}" 115 "Outer florets yellow" Leptorhynchos 116 "Central florets functionally staminate" Filago 116 "Central florets bisexual" 117 117 "Stereome divided" "Vellereophyton {Vellereophyton dealbatum}" 117 "Stereome undivided" 118 118 "Receptacle flat or convex" 119 118 "Receptacle conical" 121 119 "Pappus bristles connate in a ring" Gamochaeta 119 "Pappus bristles free or cohering by patent cilia" 120 120 "Style branches truncate" Gnaphalium 120 "Style branches obtuse" Euchiton 121 "Inner involucral bracts folded around florets" "Logfia {Logfia gallica}" 121 "Inner involucral bracts not enclosing florets" 122 122 "Pappus present" Filago 122 "Pappus absent" Stuartina