1	"Adult plant green, leaves glossy or dull but not glaucous ('waxy'); inflorescence parts glaucous or non-glaucous"	2
1	"Adult plant distinctly glaucous (or blue-green); smaller branches and inflorescences always with some discernible trace of glaucousness"	22
2	"Buds and fruit solitary, rarely 2 or 3"	3
2	"Buds and fruit in symmetrical umbels of 3 or 7, or asymmetrical umbels > 7"	4
3	"Low shrubs or small trees to c. 4 m high; leaves almost orbicular to broad-elliptic or ovate, 1-3 cm long; fruit 5-9 mm diam. (montane)"	"Eucalyptus vernicosa"
3	"Large trees, 20-30+ m high; leaves lanceolate, falcate 15-25(-60) cm long; fruit (8-)10-15(-25) mm diam. (lowland)"	"Eucalyptus globulus"
4	"Buds and fruit sub-rugose, usually with 2 distinct ribs; leaves 15-35 cm long; trees (Flinders Is.)"	"Eucalyptus globulus"
4	"Buds and fruit smooth or slightly rugulose, ribs, if present, not prominent; leaves 5-15 cm long; trees or shrubs (widespread)"	5
5	"Buds and fruit in symmetrical umbels of 3, or less by abortion; scars of abortion (detachment) usually discernible (examine as many samples as practicable)"	6
5	"Buds and fruit in symmetrical umbels of 7 or in ± asymmetrical, random numbers > 7 (examine as many samples as practicable)"	11
6	"Peduncles 5-10(-25) mm long; fruit urceolate"	"Eucalyptus urnigera"
6	"Peduncles 3-5(-8) mm long; fruit campanulate-hemispheric or sub-spherical"	7
7	"Buds and fruit sessile; fruit campanulate-hemispheric; leaves symmetrical, margins often crenulated, length/ breath c. 3:1; freshly exposed bark often distinctive yellows and greens"	8
7	"Peduncles (3-)4-7 mm long; buds and fruit shortly pedicillate; fruit sub-spherical; leaves asymmetrical; margins sometimes undulate, not crenate, length/breadth c. 5-8:1; freshly exposed bark white, cream or greyish"	10
8	"Fruit 8-15 mm diam. or larger, hemispheric-campanulate or obconic, often strongly 2-ribbed; disc broad, raised; valves erect, tips exsert (wet, poorly drained sandstone sediments or dolerite talus over sediments; Wellington Ra., S'ern coastal mountains, Sth Bruny Is. & Forestier Pen.)"	"Eucalyptus johnstonii"
8	"Fruit 3-7.5 mm diam., campanulate-cylindrical, not or weakly ribbed; disc ± narrow, level to descending; valves enclosed, tips raised (sub-montane SW, W & NE of state, not confined to sandstones)"	9
9	"Small, usually crooked trees; bark usually green to grey-bronze; fruit cylindrical to cylindric-campanulate; disc ± descending; vaves enclosed, tips raised (Carr Villa, Ben Lomond & N end of Great Lake)"	"Eucalyptus archeri"
9	"Small to tall trees; bark usually distinctive yellows and greens; fruit campanulate; disc broad, flat to ± convex, valves erect (W & SW of state)"	"Eucalyptus subcrenulata"
10	"Leaves lanceolate-falcate, margins rarely undulate; fruit 5-8 mm diam., subspherical (widespread from sea-level to c. 450 m alt., throughout the state but not in west, except near Henty R. [NB. trees here usually with umbels of 7 buds/fruit])"	"Eucalyptus viminalis"
10	"Leaves lanceolate to broad linear-lanceolate, margins often undulate; fruit (6-)8-10 mm diam., hemispherical to ovoid-cylindric (sub-montane areas, Central Plateau & Eastern Tiers > c. 450 m alt.)"	"Eucalyptus dalrympleana"
11	"Buds and fruit in symmetrical umbels of 7, 1 central, 6 radial, if less, by abortion, order, and scars of detachment usually discernible"	12
11	"Buds and fruit in ± asymmetrical umbels, in random numbers of up to 7 and greater"	16
12	"Fruit (4-)5 mm diam.; bark hard, fissured, persistent to tertiary branches (usually in cold, frosty, flat areas prone to water-logging)"	"Eucalyptus rodwayi"
12	"Fruit (5-)6-10 mm diam.; bark rough, flaky, persistent for various heights at base; upper trunk and branches smooth (widespread)"	13
13	"Buds ovoid to diamond-shaped; fruit obconic-turbinate; disc level or convex, valves level or tips erect or exserted"	14
13	"Buds cylindrical-barrel-shaped; fruit cylindrical to cylindrical obconic or slightly urceolate, disc level or descending; valves enclosed, tips erect"	15
14	"Tall trees, or smaller trees; crown often 'untidy', sparsely leafy throughout; leaves usually dull-green, concolorous; oil-glands in leaves obscure or not apparent; valves level, slightly exserted (widespread, usually in flat, moist localities)"	"Eucalyptus ovata"
14	"Tall trees or well-formed large shrubs; canopy densely leafy but 'open' inside; leaves usually glossy green, discolorous; oil-glands conspicuous; valves usually strongly exserted (widespread on inland watersheds of E & NE Tiers, local in NW)"	"Eucalyptus brookeriana"
15	"Tall trees; leaves 10-25 cm long, falcate-lanceolate, concolorous; fruit sessile, cylindric-ovoid, entire umbels always with 7 buds/fruit; (widely planted in plantations & wind-breaks)"	"Eucalyptus nitens"
15	"Straggling multi-stemmed shrubs (mallees), or small, impoverished trees; leaves 7-10(-15) cm long, lanceolate, weakly discolorous; fruit pedicellate, cylindrical-obconic to slightly urceolate, entire umbels 3 or 7-fruited; (small populations local on low, east coast hills)"	"Eucalyptus barberi"
16	"Leaves ovate to broad ovate-lanceolate, falcate, base asymmetrical (oblique)"	17
16	"Leaves narrow linear to linear or elliptic-lanceolate or ovate to broad-ovate-lanceolate, rarely falcate, base symmetrical (not oblique)"	18
17	"Tall, or large umbrageous trees; trunk often relatively short or massive; crowns usually large, relatively dense; bark soft, thick, fibrous, often deeply diagonally-longitudinally fissured, persistent on trunk and usually to tertiary branches and beyond; inflorescences nearly always 1 per axil"	"Eucalyptus obliqua"
17	"Often very tall trees; trunk, shaft-like; crowns relatively small, sparse; bark fibrous-flaking, persisting at base/buttress, decorticating above in long ribbons; inflorescences nearly always 2 per axil"	"Eucalyptus regnans"
18	"Leaves linear to narrow linear-lanceolate, or elliptic-lanceolate, ± falcate; lateral veins obscure, > 5-10(-20) degrees from mid-vein; fruit hemispherical to cupular or pyriform-obconic"	19
18	"Leaves lanceolate to elliptic-lanceolate; not falcate lateral veins distinct, < 5(-10) degrees from mid-vein; fruit cylindrical to cylindrical-obconic or slightly urceolate"	21
19	"Bark persistent throughout, to primary branches and beyond; leaves dull grey-green, texture thin (upper reaches of Forth, Mersey & Wilmot Rivers)"	"Eucalyptus radiata"
19	"Bark decorticating throughout or persistent on trunk, rarely persistent on primary branches or beyond; leaves distinct green, sometimes glossy, texture thick (widespread)"	20
20	"Leaves elliptic to elliptic-lanceolate, not linear, average breadth > 5 mm; bark smooth throughout or variously persistent on trunk, rarely to lower primary branches; trees or or mallee-like shrubs (W, SW & NW of state, usually on wet, infertile soils, from sea-level to c. 650 m alt.)"	"Eucalyptus nitida"
20	"Leaves linear to narrow linear-lanceolate, average breadth < 5 mm; bark smooth from base or a little brittle, fibrous bark persisting (trees virtually confined to dolerite in the E & SE of the state to c. 400 m alt.)"	"Eucalyptus pulchella"
21	"Tall trees; outer stamens anantherous; bark dark grey-black, hard, deeply fissured on trunk and sometimes lower branches; bark abruptly smooth in crown (restricted to east coast hills, from c. Bicheno to Georges Bay, & on Freycinet Pen.)"	"Eucalyptus sieberi"
21	"Medium trees, often umbrageous; all stamens perfect; bark smooth, decorticating throughout (widespread, mostly in colder, drier localities)"	"Eucalyptus pauciflora"
22	"Leaves linear to narrow linear-lanceolate, average width < 5 mm; bark decorticating throughout, sometimes persistent at very base; trees virtually confined to dolerite formations"	"Eucalyptus pulchella"
22	"Leaves with average width > 5 mm; bark persistent or decorticating; trees or large shrubs not confined to dolerite formations"	23
23	"Bark persistent on trunk and sometimes to primary branches, or beyond"	24
23	"Bark on trunk decorticating with or without a short stocking at the base, decorticating above in large or small flakes or ribbons"	26
24	"Bark dark grey-black, hard, brittle, deeply diagonally fissured; main branches smooth, white-cream; outer stamens anantherous (NE of state between Bicheno & Georges Bay & Freycinet Pen.)"	"Eucalyptus sieberi"
24	"Bark light grey-tan, soft, finely fibrous or flaking, shallowly fissured, persistent to primary branches, decorticating beyond; all stamens perfect (widespread)"	25
25	"Adult leaves 2-3(-3.5 ) cm wide, bases asymmetrical (oblique); fruit turbinate to ovoid-pyriform, disc descending or level, valves enclosed; trees of montane habitat"	"Eucalyptus delegatensis"
25	"Adult leaves 0.8-1(-1.5) cm wide, bases symmetrical not oblique; fruit hemispherical, disc level or convex, valves level; trees not of montane habitat"	"Eucalyptus amygdalina"
26	"Shrubs or small trees; flowering and fruiting in apparent juvenile foliage phase; leaves opposite, sessile and amplexicaul or connate; alternate petiolate leaves occasionally produced, usually on far, distal portions of branches in mature crowns"	27
26	"Shrubs or small to large trees; buds and fruit nearly always produced on branches with alternate, petiolate (adult) leaves; juvenile leaves rarely present in mature crowns, if so without inflorescences"	29
27	"Opposite leaves sessile, amplexicaul, never connate; buds and fruit always 1-3 in umbel"	"Eucalyptus cordata"
27	"Opposite leaves connate at base; buds and fruits 1-3 or 7-15(-20+)"	28
28	"Buds and fruit 7-15(-20+); leaf apex acute to apiculate; (low hills E of River Derwent)"	"Eucalyptus risdonii"
28	"Buds and fruit 1-3; leaf apex rounded to emaginate (central SE of state)"	"Eucalyptus perriniana"
29	"Large trees; buds and fruits solitary, or in groups of 2-3, buds and fruit strongly rugose; fruit (8-)10-15(-25) mm diam.; leaves 10-25(-45+) cm long, falcate"	"Eucalyptus globulus"
29	"Trees or shrubs; buds and fruits in groups of 3, smooth or sometimes rugulose; fruit 4-8(-14) mm diam.; leaves (3-)8-15 cm long, rarely more, symmetrical or falcate"	30
30	"Leaf apex distinctly uncinate; buds rugose, operculum ± depressed, much < 1/3 length of hypanthium; disc flat or slightly domed, valves level."	"Eucalyptus coccifera"
30	"Leaf apex not uncinate; buds smooth or slightly warty, operculum much > 1/3 length of hypanthium; disc flat or slightly domed, valves erect"	31
31	"Fruit subspherical; disc prominent, convex, valves erect, exserted"	"Eucalyptus rubida"
31	"Fruit cylindrical, ovoid or urceolate; disc descending, valves enclosed"	32
32	"Peduncles 5-10(-25) mm long; fruit urceolate"	"Eucalyptus urnigera"
32	"Peduncles usually 1-5 mm long; fruit cylindrical to cylindrical-ovoid, or fruit hemispherical to pyriform-truncate"	33
33	"Buds and fruit 3; operculum abscision scar present; fruit cylindrical to cylindrical-ovoid, disc descending, valves enclosed"	34
33	"Buds and fruit 7 to many; operculum abscision scar absent; fruit hemispherical to pyriform-truncate, disc level or convex, valves level"	35
34	"Leaves, buds, fruit sub-glaucous to glaucous; buds rarely or not ribbed; fruit 5-9 mm long, 4-7 mm wide; small to moderate trees (Central Plateau and scattered on Eastern Tiers, & Snug Plains)"	"Eucalyptus gunnii"
34	"Leaves, buds fruit usually distinctly grey-glaucous; buds and fruit often very white-glaucous, often distinctly 2-ribbed; fruit 8-10(-12) mm long, 7-10 mm wide; small, usually open-crowned trees (very local at Geilston Bay and Cremorne in SE; often planted as ornamental)"	"Eucalyptus morrisbyi"
35	"Buds very rugose, operculum ± depressed, umbonate, much < 1/3 length of hypanthium; fruit 8-10(-14) mm diam."	"Eucalyptus coccifera"
35	"Buds not or slightly rugose, operculum domed, not or scarcely umbonate, c. 1/3 length of hypanthium; fruit 4-6(-10) mm diam"	36
36	"Leaves with venation parallel or < 10 degrees to mid-vein, apex scarcely uncinate; mature leaves usually very glossy"	"Eucalyptus pauciflora"
36	"Leaves with venation at 20-25 degrees to mid-vein, apex uncinate; mature leaves grey-green, subglaucous or very glaucous"	37
37	"Leaves dull grey/bluish-green to strongly glaucous; peduncles 5-20 mm long, often very glaucous; fruit 6-10 mm diam.; ultimate branches arching, often long pendulous (sedimentary formations; central SE, SE & E)"	"Eucalyptus tenuiramis"
37	"Leaves dull grey/bluish-green to sub-glaucous; peduncles (3-)5-7 mm long, sub-glaucous; fruit 3-5 mm diam.; ultimate branches arching but not pendulous; small trees (serpentine formations in central NW)"	"Eucalyptus nebulosa"