1	"Flowers and fruits solitary"	2
1	"Flowers and fruits in multi-flowered umbellasters (some may be solitary through abortion)"	11
2	"Mature crown composed of strongly pruinose, sessile leaves"	3
2	"Mature crown composed of non-pruinose, sessile or petiolate leaves"	4
3	"Buds and fruits held rigidly erect, mostly sessile"	"Eucalyptus macrocarpa"
3	"Buds and fruits pendulous, on pedicels to 20 mm long"	"Eucalyptus rhodantha"
4	"Peduncles and pedicels absent"	"Eucalyptus globulus"
4	"Peduncles and/or pedicels prominent"	5
5	"Peduncles very broad and flattened"	6
5	"Peduncles ± terete"	8
6	"Obligate seeder; lignotuber absent; fruits 40–60 mm wide"	"Eucalyptus brandiana"
6	"Resprouter; lignotuber present; fruits 20–40 mm wide"	7
7	"Adult leaves > 170 mm long"	"Eucalyptus sweedmaniana"
7	"Adult leaves < 170 mm long"	"Eucalyptus tetraptera"
8	"Adult leaves dull, blue-green; fruits ± smooth"	"Eucalyptus rameliana"
8	"Adult leaves glossy, green; fruits 4-winged or prominently ribbed"	9
9	"Buds and fruits prominently multi-ribbed"	"Eucalyptus stoatei"
9	"Buds and fruits prominently 4-winged or 4-ribbed"	10
10	"Opercula pyramidal to flattened, much shorter than hypanthia"	"Eucalyptus forrestiana"
10	"Opercula beaked, longer than hypanthia"	"Eucalyptus dolichorhyncha"
11	"Adult leaves distinctly discolorous"	12
11	"Adult leaves concolorous or only slightly discolorous"	25
12	"Umbellasters in branched, usually terminal, compound inflorescences"	13
12	"Umbellasters all axillary"	15
13	"Peduncles distinctly flattened"	"Eucalyptus guilfoylei"
13	"Peduncles ± terete"	14
14	"Fruits <3 mm wide"	"Eucalyptus brachyandra"
14	"Fruits >3 mm wide"	"Eucalyptus microcorys"
15	"Flowers orange, fruits >30 mm long"	"Eucalyptus miniata"
15	"Flowers white, fruits <20 mm long"	16
16	"Bark smooth and annually shedding over most of trunk"	17
16	"Bark rough and not annually shedding up to branches"	20
17	"Fruits barrel-shaped; valves deeply enclosed"	18
17	"Fruits cup-shaped to obconic; valves at rim level or exserted"	19
18	"Adult leaves very glossy, dark green"	"Eucalyptus cladocalyx"
18	"Adult leaves dull, paler green"	"Eucalyptus diversicolor"
19	"Fruit valves incurved; branchlets often pruinose"	"Eucalyptus grandis"
19	"Fruit valves erect; branchlets not pruinose"	"Eucalyptus saligna"
20	"Valves enclosed or below rim level"	21
20	"Valves protruding above rim level"	24
21	"Peduncles broadly flattened"	"Eucalyptus botryoides"
21	"Peduncles terete or angular"	22
22	"Opercula much longer than hypanthia"	"Eucalyptus marginata"
22	"Opercula equal to or shorter than hypanthia"	23
23	"Opercula hemispherical; branchlets often pruinose"	"Eucalyptus brevistylis"
23	"Opercula conical; branchlets not pruinose"	"Eucalyptus jacksonii"
24	"Peduncles terete; opercula rounded"	"Eucalyptus relicta"
24	"Peduncles flattened; opercula rounded to beaked to long-conical"	"Eucalyptus resinifera subsp. resinifera"
25	"Inflorescences mostly or entirely in terminal panicles"	26
25	"Inflorescences mostly or entirely in axillary umbellasters"	50
26	"Trunk bark rough, hard and deeply fissured (ironbark)"	"Eucalyptus jensenii"
26	"Trunk bark smooth, or rough and finely fissured (not an ironbark)"	27
27	"Crown composed mostly or entirely of sessile juvenile leaves"	"Eucalyptus pruinosa"
27	"Crown composed mostly or entirely of petiolate adult leaves"	28
28	"Adult leaves ovate to orbicular"	"Eucalyptus oligantha"
28	"Adult leaves linear to lanceolate"	29
29	"Fruit valves visible at rim level or exserted"	30
29	"Fruit valves enclosed or below rim level"	37
30	"Bark non-shedding to small branches"	31
30	"Bark shedding, at least on medium branches"	36
31	"Buds and fruits sessile"	"Eucalyptus obconica"
31	"Buds and fruits pedicellate"	32
32	"Adult leaves glossy, green"	"Eucalyptus chlorophylla"
32	"Adult leaves dull, green to grey-green"	33
33	"Fruits cup-shaped to hemispherical, 3–5 mm long, valves strongly exserted"	"Eucalyptus distans"
33	"Fruits obconic to cup-shaped to barrel-shaped, 4–11 mm long, valves at rim level to exserted"	34
34	"Fruits obconic, pruinose"	"Eucalyptus argillacea"
34	"Fruits cup-shaped to barrel-shaped, pruinose or not"	35
35	"Fruits equidimensional"	"Eucalyptus xerothermica"
35	"Fruits longer than wide"	"Eucalyptus leucophylla"
36	"Bark rough and non-shedding on trunk"	"Eucalyptus coolabah"
36	"Bark smooth and shedding throughout"	"Eucalyptus victrix"
37	"Bark non-shedding to small branches"	38
37	"Bark shedding, at least on larger branches"	39
38	"Fruits obconic"	"Eucalyptus microtheca"
38	"Fruits barrel-shaped to cup-shaped"	"Eucalyptus tectifica"
39	"Fruits obconic"	"Eucalyptus lucens"
39	"Fruits cylindrical to barrel-shaped to cup-shaped"	40
40	"Adult leaves mostly dull"	41
40	"Adult leaves mostly glossy"	46
41	"Flowers with all filaments fertile (having anthers)"	42
41	"Flowers with outer filaments lacking anthers (staminodes)"	43
42	"Branchlets, buds and young fruits pruinose"	"Eucalyptus intertexta"
42	"Branchlets, buds and fruits not pruinose"	"Eucalyptus intertexta"
43	"Fruits 3–5 mm long x 3–4 mm wide"	"Eucalyptus normantonensis"
43	"Fruits 4.5–10 mm long x 3.5–8 mm wide"	44
44	"Adult leaves with oil glands very sparse; fruiting peduncles and pedicels slender"	"Eucalyptus lucasii"
44	"Adult leaves with oil glands scattered to moderately dense; fruiting peduncles and pedicels thickened"	45
45	"Adult leaves mostly 10–26 mm wide; fruits barrel-shaped"	"Eucalyptus aridomontana"
45	"Adult leaves mostly 25–45 mm wide; fruits cylindrical or slightly barrel-shaped to urceolate or slightly campanulate"	"Eucalyptus rowleyi"
46	"Flowers with all filaments fertile (having anthers)"	"Eucalyptus sparsa"
46	"Flowers with outer filaments lacking anthers (staminodes)"	47
47	"Fruits <5 mm long, <4 mm wide"	"Eucalyptus normantonensis"
47	"Fruits >5 mm long, >4 mm wide"	48
48	"Fruits 7–10 mm long x 5–10 mm wide"	"Eucalyptus petraea"
48	"Fruits 5–7 mm long x 4–5 mm wide"	49
49	"Fruit disc vertically descending; juvenile leaves deltoid, grey-green"	"Eucalyptus cuprea"
49	"Fruit disc obliquely descending; juvenile leaves ovate, green"	"Eucalyptus absita"
50	"Bark ‘minniritchi’ type (shedding in thin, longitudinal, reddish strips which remain partly attached and reveal greenish-yellow smooth bark beneath)"	51
50	"Bark not ‘minniritchi’ type"	57
51	"Buds and fruits pendulous; flowers pink to red; fruits urceolate"	"Eucalyptus caesia"
51	"Buds and fruits held erect; flowers white to pale yellow; fruits not urceolate"	52
52	"Crown leaves with apiculate apex"	53
52	"Crown leaves with rounded to emarginate apex"	54
53	"Branchlets, buds and young fruits pruinose"	"Eucalyptus crucis"
53	"Branchlets, buds and young fruits not pruinose"	"Eucalyptus ewartiana"
54	"Opercula rounded, <7 mm long"	55
54	"Opercula conical to beaked, >7 mm long"	56
55	"Fruits >7 mm wide; Branchlets, leaves, buds and fruits pruinose"	"Eucalyptus minniritchi"
55	"Fruits <7 mm wide; Branchlets, leaves, buds and fruits not or lightly pruinose"	"Eucalyptus websteriana"
56	"Opercula >3 times as long as wide"	"Eucalyptus educta"
56	"Opercula <3 times as long as wide"	"Eucalyptus orbifolia"
57	"Umbellasters mostly 3-flowered"	58
57	"Umbellasters mostly >3-flowered"	100
58	"Peduncles and pedicels absent (or extremely short and obscure)"	59
58	"Peduncles and/or pedicels present"	61
59	"Mallee; lignotuber present; leaves blue-green"	"Eucalyptus rigens"
59	"Tree; lignotuber absent; leaves green"	60
60	"Fruits >15 mm wide"	"Eucalyptus creta"
60	"Fruits <15 mm wide"	"Eucalyptus diptera"
61	"Fruits mostly >20 mm wide (including any ornamentation)"	62
61	"Fruits mostly <20 mm wide"	73
62	"Bud peduncles prominently flattened"	63
62	"Bud peduncles terete or angular"	67
63	"Adult leaves opposite or sub-opposite; stamens in 4 bundles"	"Eucalyptus erythrocorys"
63	"Adult leaves disjunct; stamens in a continuous ring"	64
64	"Buds and fruits prominently ribbed"	65
64	"Buds and fruits not ribbed"	66
65	"Fruits with prominent lobes from the back of the valves"	"Eucalyptus coronata"
65	"Fruits lacking valve lobes"	"Eucalyptus angulosa"
66	"Flowers yellow; leaves blue-green"	"Eucalyptus preissiana"
66	"Flowers white; leaves green"	"Eucalyptus aquilina"
67	"Fruits 30–70 mm wide"	68
67	"Fruits 15–45 mm wide"	69
68	"Fruits longer than wide; pedicels > 20 mm long"	"Eucalyptus pyriformis"
68	"Fruits wider than long; pedicels < 20 mm long"	"Eucalyptus youngiana"
69	"Fruits smooth or finely striated"	70
69	"Fruits coarsely ribbed or winged"	71
70	"Leaves green"	"Eucalyptus burracoppinensis"
70	"Leaves blue-green"	"Eucalyptus rameliana"
71	"Buds and fruits held ± erect"	"Eucalyptus pachyphylla"
71	"Buds and fruits pendulous"	72
72	"Branchlets, buds and fruits pruinose"	"Eucalyptus alatissima"
72	"Branchlets, buds and fruits not pruinose"	"Eucalyptus kingsmillii"
73	"Flowers with stamens arranged in 4 distinct bundles; fruits often with remnant sepals"	74
73	"Flowers arranged in a ± continuous ring; fruits lacking remnant sepals"	85
74	"Trees; bark persistent to small branches"	75
74	"Mallees, bark mostly smooth"	76
75	"Bark soft, flaky-fibrous, orange; fruits <10 mm wide"	"Eucalyptus lirata"
75	"Bark stringy-fibrous, grey; fruits >10 mm wide"	"Eucalyptus tetrodonta"
76	"Fruits with a broad, level disc"	"Eucalyptus ebbanoensis"
76	"Fruits with a descending disc"	77
77	"Juvenile leaves glabrous, mostly connate; seeds saucer-shaped; buds with minute free sepals; branchlets lacking pith glands"	78
77	"Juvenile leaves hairy, not connate; seeds pyramidal; buds lacking free sepals; branchlets with pith glands"	79
78	"Mature crown of greyish, pruinose, ovate to lanceolate leaves"	"Eucalyptus gamophylla"
78	"Mature crown of green, non-pruinose, lanceolate to narrow-lanceolate leaves"	"Eucalyptus odontocarpa"
79	"Branchlets and young fruits pruinose"	80
79	"Branchlets and young fruits not pruinose"	82
80	"Juvenile leaves sessile; adult leaves <20 mm wide"	"Eucalyptus pallida"
80	"Juvenile leaves petiolate; adult leaves >20 mm wide"	81
81	"Adult leaves ovate to elliptic, 25–70 mm wide; fruits 14–22 mm wide"	"Eucalyptus pleurocarpa"
81	"Adult leaves broad-lanceolate to ovate, 15–35 mm wide; fruits 8–15 mm wide"	"Eucalyptus conveniens"
82	"Juvenile leaves sessile or subsessile; adult leaves 6–22 mm wide"	83
82	"Juvenile leaves petiolate; adult leaves 15–75 mm wide"	84
83	"Adult leaves dull, green to grey-green"	"Eucalyptus eudesmioides"
83	"Adult leaves glossy, green"	"Eucalyptus selachiana"
84	"Fruits < 12 mm wide, ± square in cross section"	"Eucalyptus gittinsii"
84	"Fruits > 12 mm wide, round in cross section"	"Eucalyptus extrica"
85	"Fruits distinctly pedicellate (pedicels mostly > 3 mm long)"	86
85	"Fruits sessile or with pedicels <3 mm long"	97
86	"Peduncles distinctly flattened"	87
86	"Peduncles terete, angular or slightly flattened"	90
87	"Buds and fruits terete"	"Eucalyptus spathulata"
87	"Buds and fruits angled to square in cross section"	88
88	"Opercula much longer than hypanthia"	"Eucalyptus goniocarpa"
88	"Opercula equal to or shorter than hypanthia"	89
89	"Buds and fruits not square, unribbed or 2-angled from pedicel"	"Eucalyptus alipes"
89	"Buds and fruits ± square and strongly 3- or 4-ribbed from pedicel"	"Eucalyptus mimica"
90	"Pith glands absent; trees; adult leaves dull to glossy"	"Eucalyptus petiolaris"
90	"Pith glands present; trees or mallees; adult leaves very glossy"	91
91	"Trees; lignotuber absent"	92
91	"Mallees; lignotuber present"	94
92	"Opercula conical to beaked, apiculate"	"Eucalyptus pterocarpa"
92	"Opercula rounded to flattened, not apiculate"	93
93	"Fruits cup-shaped, distinctly many-ribbed (>5 ribs per fruit)"	"Eucalyptus frenchiana"
93	"Fruits obconic, with a few ribs only (<5 ribs per fruit)"	"Eucalyptus tenuis"
94	"Opercula long-conical to beaked"	"Eucalyptus armillata"
94	"Opercula rounded to flattened"	95
95	"Opercula rounded, prominently ribbed"	"Eucalyptus corrugata"
95	"Opercula flattened, smooth or weakly ribbed"	96
96	"Branchlets pruinose"	"Eucalyptus griffithsii"
96	"Branchlets not pruinose"	"Eucalyptus planipes"
97	"Buds pruinose"	"Eucalyptus annettae"
97	"Buds not pruinose"	98
98	"Adult leaves glossy green"	"Eucalyptus kessellii"
98	"Adult leaves dull, green to greyish"	99
99	"Fruit disc ascending"	"Eucalyptus oldfieldii"
99	"Fruit disc level to descending"	"Eucalyptus merrickiae"
100	"Flowers orange"	101
100	"Flowers not orange"	102
101	"All parts non-pruinose"	"Eucalyptus phoenicea"
101	"All adult parts strongly pruinose"	"Eucalyptus ceracea"
102	"Bark stringy-fibrous to smaller branches (stringybark)"	103
102	"Bark not stringy-fibrous to smaller branches (not stringybark)"	104
103	"Juvenile leaves opposite for at least 10 nodes; adult leaf reticulation moderate to dense; seeds reddish brown"	"Eucalyptus todtiana"
103	"Juvenile leaves disjunct after a few nodes; adult leaf reticulation sparse to very sparse; seeds brown-black"	"Eucalyptus staeri"
104	"Opercula distinctly longer than hypanthia"	105
104	"Opercula shorter than or equal to hypanthia"	173
105	"Bud and fruit hypanthia fused into a single woody infructescence"	106
105	"Bud and fruit hypanthia free"	111
106	"Peduncles flattened in bud"	107
106	"Peduncles terete in bud"	109
107	"Peduncles 10–28 mm wide; opercula 8–21 mm wide at base"	"Eucalyptus conferruminata"
107	"Peduncles 5–12 mm wide; opercula 3–10 mm wide at base"	108
108	"Obligate seeder; lignotuber absent; infructescences 44–52 mm diam."	"Eucalyptus arborella"
108	"Resprouter; lignotuber present; infructescences 32–46 mm diam."	"Eucalyptus lehmannii"
109	"Adult leaves obovate to spathulate, >12 mm wide, often retuse at tip"	"Eucalyptus retusa"
109	"Adult leaves linear to narrowly spathulate, <12 mm wide, acuminate at tip"	110
110	"Obligate seeder; lignotuber absent; opercula straight or weakly curved near tip, 50–60 mm long"	"Eucalyptus mcquoidii"
110	"Resprouter; lignotuber present; opercula sinuous, 50–95 mm long"	"Eucalyptus sinuosa"
111	"Peduncles flattened"	112
111	"Peduncles terete or angular"	159
112	"Fruits on pendulous or strongly down-curved peduncles"	113
112	"Fruits held erect or loosely horizontal on peduncles"	133
113	"Peduncles thickened, distally >10 mm wide; flowers yellow-green"	114
113	"Peduncles not thickened, distally <10 mm wide; flowers cream, yellow or red, but not greenish"	117
114	"Opercula slightly to prominently warty"	115
114	"Opercula smooth"	116
115	"Tree; lignotuber absent; obligate seeder; opercula prominently warty"	"Eucalyptus megacornuta"
115	"Mallee; lignotuber present; resprouter; opercula slightly warty"	"Eucalyptus burdettiana"
116	"Tree; lignotuber absent; obligate seeder"	"Eucalyptus newbeyi"
116	"Mallee; lignotuber present; resprouter"	"Eucalyptus talyuberlup"
117	"Leaf oil glands prominent and numerous, obscuring tertiary venation"	118
117	"Leaf oil glands few, not obscuring tertiary venation"	128
118	"Fruit valves erect and extending far above fruit rim"	119
118	"Fruit valves at or below rim level"	120
119	"Mallee; lignotuber present; resprouter"	"Eucalyptus annulata"
119	"Tree; lignotuber absent; obligate seeder"	"Eucalyptus extensa"
120	"Stamens inflexed in bud"	121
120	"Stamens erect in bud"	122
121	"Tree; lignotuber absent; obligate seeder"	"Eucalyptus cernua"
121	"Mallee; lignotuber present; resprouter"	"Eucalyptus proxima"
122	"Adult leaves orbicular to elliptic"	123
122	"Adult leaves elliptic to narrow-lanceolate"	124
123	"Flowers red; fruit valves mostly 5 or 6"	"Eucalyptus nutans"
123	"Flowers yellow; fruit valves mostly 4"	"Eucalyptus platypus"
124	"Opercula rounded at tip"	"Eucalyptus utilis"
124	"Opercula apiculate"	125
125	"Branchlets and buds pruinose"	126
125	"Branchlets and buds not pruinose"	127
126	"Fruits 9–18 mm wide"	"Eucalyptus incerata"
126	"Fruits 6–10 mm wide"	"Eucalyptus tephroclada"
127	"Tree; lignotuber absent; obligate seeder; umbellasters 7-flowered"	"Eucalyptus eremophila"
127	"Mallee; lignotuber present; resprouter; umbellasters 7–11-flowered"	"Eucalyptus tenera"
128	"Opercula > twice as long as hypanthia; fruits campanulate"	129
128	"Opercula < twice as long as hypanthia; fruits obconic to globose"	131
129	"Bark rough on trunk"	"Eucalyptus occidentalis"
129	"Bark smooth and shedding throughout"	130
130	"Tree; lignotuber absent; obligate seeder"	"Eucalyptus astringens"
130	"Mallee; lignotuber present; resprouter"	"Eucalyptus thamnoides"
131	"Tree; lignotuber absent; obligate seeder; buds and immature fruits pruinose"	"Eucalyptus annettae"
131	"Tree or mallee; lignotuber present; resprouter; buds and immature fruits not pruinose"	132
132	"Fruits >12 mm long"	"Eucalyptus kessellii"
132	"Fruits <12 mm long"	"Eucalyptus semiglobosa"
133	"All stamens inflexed in bud"	134
133	"Some or all stamens erect in bud"	136
134	"Tree; lignotuber absent; obligate seeder"	"Eucalyptus salubris"
134	"Mallee; lignotuber present; resprouter"	135
135	"Seeds yellow-brown, pitted like honeycomb; bark rough on lower half of stems, becoming ribbony above"	"Eucalyptus effusa"
135	"Seeds brown, not pitted like honeycomb; bark smooth"	"Eucalyptus vegrandis"
136	"Fruit disc level to ascending; seeds compressed-ovoid, finely reticulate"	137
136	"Fruit disc descending; seeds ± spherical, smooth"	141
137	"Flowers lemon-yellow; fruits cup-shaped to campanulate"	"Eucalyptus macrandra"
137	"Flowers white to cream; fruits obconic to barrel-shaped"	138
138	"Mallet or marlock; lignotuber absent; obligate seeder"	139
138	"Mallee; lignotuber present; resprouter"	140
139	"Adult leaves linear"	"Eucalyptus spathulata"
139	"Adult leaves elliptic to broad-lanceolate"	"Eucalyptus utilis"
140	"Fruit pedicels well-defined, ± terete; fruits smooth; adult leaves 2–7 mm wide"	"Eucalyptus orthostemon"
140	"Fruit pedicels tapering, ± flattened; fruits 2-angled near base; adult leaves 5–18 mm wide"	"Eucalyptus suggrandis"
141	"Opercula narrower than hypanthia at join"	142
141	"Opercula equal in width to hypanthia at join"	144
142	"Adult leaves dull, blue-green"	"Eucalyptus hebetifolia"
142	"Adult leaves glossy, green"	143
143	"Bark rough, dark and firm on lower stems; seedling leaves with rough margins"	"Eucalyptus arachnaea"
143	"Bark smooth throughout (or ribbony); seedling leaves glabrous"	"Eucalyptus phaenophylla"
144	"Mallet; lignotuber absent; obligate seeder"	145
144	"Tree or mallee; lignotuber present; resprouter"	149
145	"Opercula c. twice as long as hypanthia"	146
145	"Opercula 2-4 x as long as hypanthia"	147
146	"Bark rough on lower trunk; adult leaves 7–15 mm wide"	"Eucalyptus melanophitra"
146	"Bark completely smooth; adult leaves 10–20 mm wide"	"Eucalyptus praetermissa"
147	"Adult leaves glossy, green"	"Eucalyptus clivicola"
147	"Adult leaves dull, bluish to grey-green"	148
148	"Adult leaves >10 mm wide"	"Eucalyptus gardneri subsp. gardneri"
148	"Adult leaves <10 mm wide"	"Eucalyptus densa"
149	"Juvenile leaves hairy"	150
149	"Juvenile leaves glabrous"	151
150	"Branchlets pruinose"	"Eucalyptus capillosa"
150	"Branchlets not pruinose"	"Eucalyptus livida"
151	"Tree; combination resprouter"	"Eucalyptus wandoo"
151	"Mallee; lignotuber resprouter"	152
152	"Adult leaves glossy, green"	153
152	"Adult leaves dull, green to blue-green or purplish"	155
153	"Opercula >15 mm long; juvenile leaves glossy, green"	"Eucalyptus flavida"
153	"Opercula <15 mm long; juvenile leaves dull, green to blue-green"	154
154	"Adult leaves all held erect, 6–16 mm wide"	"Eucalyptus histophylla"
154	"Adult leaves not all held erect, 12–30 mm wide"	"Eucalyptus tumida"
155	"Opercula 9–16 mm long"	"Eucalyptus xanthonema"
155	"Opercula 15–30 mm long"	156
156	"Opercula bluntly pointed and not hooked"	"Eucalyptus histophylla"
156	"Opercula sharply attenuate, often hooked"	157
157	"Adult leaves maturing blue-green to purplish, adult new growth blue-green"	"Eucalyptus densa"
157	"Adult leaves maturing green, adult new growth green to yellow-green"	158
158	"Adult leaves mostly 15–25 mm wide"	"Eucalyptus redunca"
158	"Adult leaves mostly 8–18 mm"	"Eucalyptus varia"
159	"Fruit disc level to ascending or annular and conspicuous"	160
159	"Fruit disc level to descending and obscured"	165
160	"Whipstick mallee; adult leaves mostly <10 mm wide"	161
160	"Tree or robust mallee; adult leaves mostly >20 mm wide"	163
161	"Stamens cream-white, free for whole length"	"Eucalyptus leptopoda"
161	"Stamens ageing to pink, united in a ring near the base"	162
162	"Branchlets erect; leaves <80 mm long"	"Eucalyptus rosacea"
162	"Branchlets pendulous; leaves >100 mm long"	"Eucalyptus synandra"
163	"Seeds yellowish, smooth"	"Eucalyptus camaldulensis"
163	"Seeds black, usually toothed"	164
164	"Bark rough and non-shedding on trunk(s)"	"Eucalyptus rudis"
164	"Bark smooth and shedding throughout"	"Eucalyptus gillenii"
165	"Fruits wider than long"	"Eucalyptus semiglobosa"
165	"Fruits longer than wide"	166
166	"Branchlets pruinose"	167
166	"Branchlets not pruinose"	171
167	"Tree; lignotuber absent; obligate seeder"	168
167	"Mallee; lignotuber present; resprouter"	170
168	"Branches pendulous; flowers lemon yellow"	"Eucalyptus woodwardii"
168	"Branches not pendulous; flowers cream to creamy yellow"	169
169	"Fruits globose, >8 mm wide"	"Eucalyptus optima"
169	"Fruits barrel-shaped to urceolate, <8 mm wide"	"Eucalyptus transcontinentalis"
170	"Adult leaves not pruinose"	"Eucalyptus socialis"
170	"Adult leaves strongly pruinose"	"Eucalyptus vokesensis"
171	"Fruits with style remnants not persistent, fused and needle-like"	"Eucalyptus incrassata"
171	"Fruits with style remnants initially persistent, fused and needle-like"	172
172	"Seedling leaves becoming disjunct early (opposite for <10 pairs)"	"Eucalyptus oleosa"
172	"Seedling leaves opposite and decussate for numerous pairs (>10 pairs )"	"Eucalyptus socialis"
173	"Outer stamens lacking anthers (staminodes)"	174
173	"All stamens with anthers"	175
174	"Buds and fruits square in transverse section, at least on lower part of hypanthia"	"Eucalyptus calycogona"
174	"Buds and fruits round in transverse section"	"Eucalyptus gracilis"
175	"Fruit disc level to descending and obscured"	176
175	"Fruit disc level to ascending or annular and conspicuous"	186
176	"Style persisting in fruits"	177
176	"Style not persisting in fruits"	180
177	"Buds massed on outside of crown; opercula conspicuously red at maturity, mostly conical to slightly beaked; fruit disc often whitish"	178
177	"Buds less conspicuously massed on crown; opercula not conspicuously red at maturity; fruit disc not whitish"	179
178	"Seedling leaves pruinose"	"Eucalyptus leptophylla"
178	"Seedling leaves not pruinose"	"Eucalyptus leptophylla"
179	"Fruits longer than wide"	"Eucalyptus oleosa"
179	"Fruits equidimensional or wider than long"	"Eucalyptus semiglobosa"
180	"Tree; lignotuber present or absent"	181
180	"Mallee; lignotuber present"	185
181	"Lignotuber present; resprouter; tree or mallee"	"Eucalyptus kondininensis"
181	"Lignotuber absent; obligate seeder; tree or mallet"	182
182	"Bark rough and persistent on trunk"	183
182	"Bark smooth and shedding throughout"	184
183	"Branchlets pruinose"	"Eucalyptus stricklandii"
183	"Branchlets not pruinose"	"Eucalyptus kondininensis"
184	"Branchlets pruinose"	"Eucalyptus woodwardii"
184	"Branchlets not pruinose"	"Eucalyptus pterocarpa"
185	"Umbellasters down-turned or pendulous"	"Eucalyptus incrassata"
185	"Umbellasters held loosely or rigidly erect"	"Eucalyptus phenax subsp. phenax"
186	"Tree; lignotuber present or absent"	187
186	"Mallee; lignotuber present"	192
187	"Tree or mallet; obligate seeder; lignotuber absent"	188
187	"Tree or mallee; resprouter; lignotuber present"	189
188	"Flowers bright yellow to yellow-green"	"Eucalyptus woodwardii"
188	"Flowers white or cream to pink to coral"	"Eucalyptus salubris"
189	"Bark mostly or entirely rough and non-shedding"	"Eucalyptus gomphocephala"
189	"Bark mostly or entirely smooth and shedding (a short stocking of rough bark may be present)"	190
190	"Adult leaves orbicular, deltoid or ovate"	"Eucalyptus alba var. australasica"
190	"Adult leaves narrow-lanceolate to broad-lanceolate"	191
191	"Seeds brown, toothed"	"Eucalyptus alba var. australasica"
191	"Seeds yellowish, smooth; widespread"	"Eucalyptus camaldulensis"
192	"Buds and fruits pendulous or down-turned"	"Eucalyptus armillata"
192	"Buds and fruits held erect"	193
193	"Bark smooth and shedding throughout (some rough bark may be present on the lower stems)"	"Eucalyptus diversifolia"
193	"Bark rough and non-shedding on stems"	194
194	"Fruits mostly <8 mm wide"	"Eucalyptus effusa"
194	"Fruits mostly >8 mm wide"	"Eucalyptus diversifolia"