1	"All leaves of 1 leaflet, simple, reduced, or absent"	2
1	"Leaves compound, comprised of 2 or more leaflets, rarely some leaves unifoliolate"	64
2	"Leaves absent or reduced to spines or scales"	3
2	"Leaves simple or unifoliolate"	16
3	"Stamens variously united"	4
3	"Stamens all free"	10
4	"All 10 stamens united in a tube or sheath"	5
4	"Upper stamen more or less free, lower 9 joined in a sheath"	9
5	"All 10 stamens joined in a tube; prickly shrubs with yellow flowers"	"Ulex: Ulex europaeus"
5	"All 10 stamens joined in a sheath split above"	6
6	"Anthers with perceptible connective, all dorsifixed uniform in size"	7
6	"Anthers with inconspicuous connective, alternately basifixed arid dorsifixed, the latter often smaller"	8
7	"Flowers 1 to several in axils; not striped"	Bossiaea
7	"Flowers in long lax racemes; striped"	Aenictophyton
8	"Flowers blue or purple; pod not or scarcely longer than broad"	Hovea
8	"Flowers yellow, red or brownish; pod more than twice as long as broad"	Templetonia
9	"Trees with red flowers, leafless at flowering"	Erythrina
9	"Shrubs or subshrubs; anthers with a small apical raised gland"	Indigofera
10	"Flowers yellow, in long terminal racemes and panicles; calyx teeth equal, shorter than tube; pod ovoid, thin, indehiscent"	"Viminaria: Viminaria juncea"
10	"Not as above"	11
11	"Flowers in axillary racemes, sometimes umbellate or reduced to 1 flower; barren bracts present on peduncle; pod triangular or (rarely) ovoid"	Daviesia
11	"Not as above"	12
12	"Upper 2 calyx lobes much enlarged and mostly united; bracteoles large, round, deciduous; pod globular"	Sphaerolobium
12	"Not as above"	13
13	"Calyx lobes valvate (abutted) in bud"	14
13	"Calyx lobes imbricate (overlapping) in bud"	15
14	"Standard more or less orbicular; ovules 2"	Jacksonia
14	"Standard not orbicular, greatly modified, usually shorter than keel, usually acute; ovules mostly more than 2"	Leptosema
15	"Ovary partly divided longitudinally inside and/or pod grooved longitudinally above; standard not as below"	Mirbelia
15	"Ovary not as above; standard purple-lined behind"	Isotropis
16	"Leaves simple"	17
16	"Leaves unifoliolate (look for articulation or bend in petiole)"	41
17	"Stamens variously united"	18
17	"Stamens free or united at very base"	25
18	"Upper stamen free at least at base, other 9 joined in a sheath; leaves not prickly-lobed"	19
18	"All 10 stamens united from base in a tube which is closed or open on upper side, except Hovea chorizemifolia, which has prickly-lobed leaves"	21
19	"Anthers tipped by a small raised gland; clothing of more or less appressed, laterally attached hairs"	Indigofera
19	"Not as above"	20
20	"Rigid spiny shrubs; pods jointed, constricted between joints"	"Alhagi: Alhagi maurorum"
20	"More or less herbaceous plants; pods not as above"	"Eriosema: Eriosema chinense"
21	"All stamens united in a closed tube"	"Cytisus: Cytisus scoparius"
21	"All stamens united in a sheath open along upper side"	22
22	"Calyx usually with 5 (rarely 4) sub-equal lobes; alternate anthers more than 1.5 times longer than others"	Crotalaria
22	"Upper 2 calyx lobes joined higher than others or greatly enlarged; anthers uniform or not differing more than 1.5 times in length"	23
23	"Anthers with perceptible connective, all dorsifixed, uniform in size"	Bossiaea
23	"Anthers without conspicuous connective, alternately dorsifixed and basifixed, the former often smaller"	24
24	"Petals blue or purple; pod not or scarcely longer than broad"	Hovea
24	"Petals yellow, red, or reddish-purple; pod 1.5 times or more longer than broad"	Templetonia
25	"Standard much smaller than keel, more or less narrow"	Gastrolobium
25	"Standard the largest petal, more or less orbicular, or (rarely) narrow and equal to keel"	26
26	"Upper 2 calyx lobes united into a broad notched lip, lower 3 very small and narrow; bracteoles large, round, deciduous; leaves tiny, deciduous; pod globular"	Sphaerolobium
26	"Not as above"	27
27	"Ovary partly divided by a longitudinal dissepiment inside and/or pod longitudinally grooved above"	Mirbelia
27	"Not as above"	28
28	"Ovules 2"	29
28	"Ovules 4 or more"	39
29	"Pods triangular (sometimes turgid), glabrous; flowers in often modified or reduced racemes with barren bracts on peduncle; bracteoles absent"	Daviesia
29	"Not as above"	30
30	"Leaves terete, hooked at apex; standard purple-veined; calyx lobes rounded at apex"	"Erichsenia: Erichsenia uncinata"
30	"Not as above"	31
31	"Upper 2 calyx lobes round, large; lower 3 triangular, minute; leaves linear with revolute margins"	"Euchilopsis: Euchilopsis linearis"
31	"Not as above"	32
32	"Flowers in racemes, loose or dense, or reduced to dense axillary clusters; leaves mostly opposite or whorled, often prickly and/or lobed; pod ovoid or globose"	Gastrolobium
32	"Not as above"	33
33	"Upper 2 calyx lobes broader and/or more united than lower 3"	34
33	"Calyx lobes more or less equal, usually divided to base and narrow-acute"	38
34	"Bracteoles absent or small and separate from calyx, or soon deciduous"	35
34	"Bracteoles persistent, close to or joined to calyx"	37
35	"Seeds without aril; leaves flat (rarely folded up lengthwise) or with recurved margins, or channelled below, often whorled"	Aotus
35	"Seeds with aril; leaves flat or with incurved margins or channelled above, alternate or opposite"	36
36	"Leaves opposite, in 2 rows"	Eutaxia
36	"Leaves alternate, scattered or crowded"	Dillwynia
37	"Flowers subtended by small, brown, scarious bracts distinct from leaves; stamens free from petals"	Pultenaea
37	"Flowers subtended by scarcely- or un-modified leaves; stamens more or less joined to petals at base"	Phyllota
38	"Pod inflated, as broad as long or broader; seeds without aril"	Gompholobium
38	"Pod compressed, longer than broad; seeds with aril"	Latrobea
39	"Standard purple-veined behind; upper 2 calyx lobes united most of the way into a broad lip"	Isotropis
39	"Not above combination"	40
40	"Calyx lobes abutted in bud; pod more or less globular"	Gompholobium
40	"Calyx lobes overlapping in bud; pod ovoid or more elongated"	Chorizema
41	"Stamens variously united"	42
41	"Stamens all free except (rarely) at the base"	63
42	"Anthers tipped by a small raised gland; clothing of appressed, laterally attached hairs"	Indigofera
42	"Not as above"	43
43	"Stamens all or mostly united but not as below"	44
43	"All 10 stamens united in a sheath split along upper side, at least towards base"	58
44	"Pod continuous, not jointed, often short and 1- or 2-seeded"	45
44	"Pod transversely jointed, divided into 2 or more 1-seeded articles"	54
45	"Ovules 2 or more"	46
45	"Ovule 1"	51
46	"All 10 stamens joined in a closed tube"	"Cytisus: Cytisus scoparius"
46	"Upper stamen free, other 9 joined in an open sheath"	47
47	"Style bearded"	"Swainsona: Swainsona unifoliolata"
47	"Style beardless"	48
48	"Ovules 2; pod less than 3 times longer than broad; seeds without aril"	49
48	"Ovules many; pod many times longer than broad; seeds with aril"	50
49	"Pods turgid; leaflet not as below"	Flemingia
49	"Pods compressed; leaflet narrow-linear, margins recurved"	"Eriosema: Eriosema chinense"
50	"Flowers predominantly black, red, or red-purple; standard with (often small) appendages"	Kennedia
50	"Flowers violet, rarely pale pink or whitish; standard without appendages"	"Hardenbergia:Hardenbergia comptoniana"
51	"Standard silky-hairy behind; leaflet not glandular"	Tephrosia
51	"Standard not silky-hairy behind; leaflet dotted with immersed glands (may be obscure)"	52
52	"Leaflets usually 3, palmately or pinnately trifoliolate"	Cullen
52	"Leaflets usually 5 or more"	53
53	"Leaves mostly palmately 5-foliolate"	Cullen
53	"Leaves imparipinnate"	Psoralea
54	"Stamens all united into a closed tube one-third to halfway from base; stipules joined into one; flowers red"	Aphyllodium
54	"Upper stamen free (except at very base)"	55
55	"Pod enclosed by calyx"	56
55	"Pod exserted from calyx"	57
56	"Calyx lobes short and broad, enlarged in fruit"	"Christia: Christia australasica"
56	"Calyx lobes very slender, not enlarged in fruit"	"Uraria: Uraria lagopodioides"
57	"Calyx scarious; pod more or less cylindrical and not or slightly constricted between articles"	Alysicarpus
57	"Calyx herbaceous; pod flat or slightly turgid and strongly constricted between articles"	Desmodium
58	"Calyx with 5 (rarely 4) sub-equal lobes; alternate anthers more than 1-5 times longer than others"	Crotalaria
58	"Upper 2 calyx lobes joined higher than others or greatly enlarged; anthers uniform or not differing more than 1 5 times in length"	59
59	"Anthers with inconspicuous connective, alternately basifixed and dorsifixed, the latter often smaller"	60
59	"Anthers with perceptible connective, all dorsifixed, uniform in size"	62
60	"Bracteoles ovate, papery"	Templetonia
60	"Bracteoles linear to ovate but not papery"	61
61	"Leaves typically bilobed at the apex; stipules absent; corolla yellow with purplish-brown markings; two upper calyx lobes fused into a truncate limb"	Cristonia
61	"Leaves not bilobed (sometimes slightly emarginate); stipules large, conspicuous; flowers red with or without pale cream or yellow markings; two upper calyx lobes not fused into a truncate limb"	"Thinicola: Thinicola incana"
62	"Flowers in long, lax racemes; flowers striped"	Aenictophyton
62	"Flowers 1 to several in axils; flowers not striped"	Bossiaea
63	"Shrubs; ovules 2"	Pultenaea
63	"Herbs or subshrubs; ovules numerous"	Isotropis
64	"Leaflets even in number, rachis often ending in a bristle or tendril"	65
64	"Leaflets odd in number, rachis ending in a leaflet, or character not obvious"	72
65	"Leaves not ending in a tendril; shrubs or non-climbing herbs"	66
65	"Leaves ending in a tendril; climbing herbs"	71
66	"Leaflets 1 to few pairs; herbs or low subshrubs"	67
66	"Leaflets many pairs; trees, erect (sub) shrubs greater than 1 m or woody vines"	69
67	"Leaflets 1 pair; stipules joined into 1"	Aphyllodium
67	"Leaflets 2 or more pairs, or if (rarely) a pair, then stipules not joined"	68
68	"Leaflets 1 pair or rarely 2 digitate pairs (no rachis between pairs)"	Zornia
68	"Leaflets 2 or more pairs, pinnate (rachis visible between pairs)"	"Cyclocarpa: Cyclocarpa stellaris"
69	"Woody climbers; seeds red and black, persistent"	"Abrus: Abrus precatorius subsp. precatorius"
69	"Trees or erect subshrubs; seeds not as above"	70
70	"Pods cylindrical, not jointed"	Sesbania
70	"Pods compressed, transversely jointed and separating into 1-seeded articles"	Aeschynomene
71	"Leaflets 1 pair"	Lathyrus
71	"Leaflets 2 to many pairs"	Vicia
72	"Leaflets 5 or more, rarely some leaves trifoliolate"	73
72	"Leaflets 3"	96
73	"Stamens all free, or rarely filaments shortly united at base; ovules 2,4 or more"	Gompholobium
73	"Stamens mostly united by filaments"	74
74	"Anthers tipped by small raised gland; clothing of more or less appressed laterally attached hairs"	75
74	"Not as above"	76
75	"Standard glabrous; keel rostrate; fruit somewhat bilaterally flattened, partitions between seeds membranous, endocarp never spotted"	"Indigastrum: Indigastrum parviflorum"
75	"Standard with hairs on back; keel not rostrate; fruit ± round (rarely somewhat tetragonal) in section, partitions between seeds (when present) usually pithy, endocarp often spotted"	Indigofera
76	"Herbs; leaves with 5 or 9 leaflets, upper 3 digitate at rachis summit lowest 2 at its base often resembling stipules; actual stipules minute: 5 alternate or all filaments dilated upwards"	Lotus
76	"Not as below"	77
77	"Stamens variously united, not as below, or if (rarely) so, then pod indehiscent and usually ornamented or winged"	78
77	"Stamens all united in a sheath open along the upper side; pod dehiscent"	94
78	"Stipules becoming enlarged and spiny; deciduous trees"	"Robinia: Robinia pseudoacacia"
78	"Stipules not spiny; leaves not deciduous"	79
79	"Stipels absent or inconsistently present at leaflet bases"	80
79	"Stipels clearly and consistently present"	91
80	"Prostrate herbs with erect pseudo-umbels; flowers red, showy, c. 8 cm long; keel beaked; standard reflexed, acute, with a shining (usually) black boss"	"Swainsona: Swainsona formosa"
80	"Not as above"	81
81	"Standard silky or woolly behind; leaflets with lateral nerves numerous, parallel, ascending to the margin; pods linear or oblong, not woody; herbs or shrubs"	Tephrosia
81	"Not as above"	82
82	"Style glabrous, or pubescent near base"	83
82	"Style bearded"	90
83	"Leaflets not dotted with glands"	84
83	"Leaflets dotted with black glands"	87
84	"Erect herbs with serrate leaflets; pods inflated, ovoid acute"	"Cicer: Cicer arietinum"
84	"Not as above"	85
85	"Pod with several seeds, not transversely jointed 2-valved"	Indigofera
85	"Pod jointed and separating into 1-seeded articles or short 1-seeded and bristly"	86
86	"Filaments not dilated upwards"	Aeschynomene
86	"All or alternate filaments dilated upwards"	Ornithopus
87	"Leaves pinnate with flat leaflets"	"Glycyrrhiza: Glycyrrhiza acanthocarpa"
87	"Leaves digitate with flat leaflets or pinnate with terete leaflets"	88
88	"Leaflets usually 3, palmately or pinnately trifoliolate"	Cullen
88	"Leaflets usually 5 or more"	89
89	"Leaves mostly palmately 5-foliolate"	Cullen
89	"Leaves imparipinnate"	Psoralea
90	"Standard shorter than keel; flowers more than 3 cm long; shrub to 1 m tall"	"Lessertia: Lessertia frutescens"
90	"Standard sub-equal to or longer than keel; flowers equal to or less than 3 cm long; herbs or tall climbing shrubs"	Swainsona
91	"Pod jointed, separating into 1-seeded articles"	92
91	"Pod neither jointed, nor separating into articles"	93
92	"Calyx conspicuous, enclosing pod, lobes thread-like"	"Uraria: Uraria lagopodioides"
92	"Calyx inconspicuous, not enclosing pod"	Desmodium
93	"Flowers 1 or 2 in axils; bracteoles present"	Clitoria
93	"Flowers many at apex of peduncle, equal to or greater than 3 cm long; bracteoles absent"	Kennedia
94	"Leaves digitate (no rachis between leaflets); erect herbs with showy flowers"	Lupinus
94	"Leaves pinnate (rachis between leaflets)"	95
95	"Perennial herbs with slender ascending stems"	"Ptychosema: Ptychosema pusillum"
95	"Shrubs or subshrubs"	Templetonia
96	"Leaves digitate, all leaflet stalks equal"	97
96	"Leaves pinnate, central leaflet stalk longer than laterals"	113
97	"Stamens all free; leaves sessile or nearly so; ovules 2,4 or more; pod globular or nearly so"	Gompholobium
97	"Stamens variously united"	98
98	"Stamens all united in a closed tube, or upper one wholly or partly free"	99
98	"All 10 stamens united in a sheath open along the upper side"	109
99	"Not as below"	100
99	"Leaves dotted with glands, at least underneath, or leaflets toothed, or both"	105
100	"Stipules joined into one, striate; pod jointed, of two 1-seeded articles"	Aphyllodium
100	"Stipules mostly small or absent; pod not jointed"	101
101	"Standard sericeous on back; ovule 1"	Tephrosia
101	"Standard not sericeous on back; ovules 2 to many"	102
102	"Clothing of laterally attached hairs; anthers tipped by a raised gland"	Indigofera
102	"Not as above"	103
103	"Twining or spreading herbs (may be woody at the base)"	Glycine
103	"Shrubs or subshrubs"	104
104	"Style markedly upcurved in the lower three-quarters, even looped"	"Cytisus: Cytisus scoparius"
104	"Style nearly straight, then abruptly upcurved in the terminal quarter"	Genista
105	"Leaflets without gland dots, with small teeth; stipules joined to petiole"	Trifolium
105	"Gland dots present; not as below"	106
106	"Glands on undersurface of leaflet; ovules 2"	Flemingia
106	"Glands immersed; ovule 1"	107
107	"Leaflets usually 3, palmately or pinnately trifoliolate"	Cullen
107	"Leaflets usually 5 or more"	108
108	"Leaves mostly palmately 5-foliolate"	Cullen
108	"Leaves imparipinnate"	Psoralea
109	"Calyx lobes sub-equal, or if unequal, then not as below"	110
109	"Upper 2 calyx lobes greatly enlarged and/or joined higher than lower 3"	111
110	"Anthers uniform; annual herbs; flowers very small"	"Rothia: Rothia indica subsp. australis"
110	"Anthers markedly dissimilar, alternately long and short"	Crotalaria
111	"Prostrate herbs; stipules enlarged"	Muelleranthus
111	"Shrubs or subshrubs; stipules absent or minute"	112
112	"Leaflets terete, glabrous; petiole slender"	"Templetonia: Templetonia hookeri"
112	"Leaflets elliptic, hairy; leaf sessile"	Plagiocarpus
113	"Anthers tipped by a raised gland; clothing of more or less appressed, laterally attached hairs; flowers in axillary racemes"	Indigofera
113	"Not as above"	114
114	"Stipels clearly and consistently present at base of each leaflet- rarely gland-like; frequently twining or climbing plants"	115
114	"Stipels absent, minute or inconsistently present"	136
115	"Not as below"	116
115	"Trees or robust woody climbers with large leaflets equal to or greater than 5 cm; flowers large and showy (equal to or greater than 2 cm, sometimes leafless at flowering)"	135
116	"Style glabrous, or hairy less than halfway"	117
116	"Style bearded, or hairy more than halfway"	131
117	"Leaves dotted with yellow resinous glands; pods acuminate, with oblique grooves between seeds, striped with maroon or purplish-black"	Cajanus
117	"Not as above"	118
118	"Shrublet with inflorescence-rachis and calyx covered with gland-based hairs; pod inflated, with raised venation"	"Pycnospora: Pycnospora lutescens"
118	"Not as above"	119
119	"Stems long and trailing or twining (except rarely Hardenbergia); pods not as below"	120
119	"Herbs or shrubs, not twining (rarely Desmodium); pods transversely jointed, separating into 1-seeded articles"	127
120	"Flowers several to many in axillary racemes, sometimes clustered at apex of peduncle"	121
120	"Flowers solitary or clustered in leaf axils, or 1 or 2 on axillary peduncles, or in terminal false racemes"	126
121	"Pod not as below"	122
121	"Pod with prominent longitudinal rib(s) near suture(s), or winged"	125
122	"Calyx with 5 lobes or teeth, or slightly 2-lipped by upper 2 lobes more joined than lower"	Glycine
122	"Upper 2 calyx lobes joined to or almost to apex, calyx appearing 4-lobed or 2-lipped"	123
123	"Seed without aril; bracteoles present although often small or deciduous"	"Galactia: Galactia tenuiflora var. macrantha"
123	"Seed with aril; bracteoles absent"	124
124	"Standard appendaged with often small auricles; calyx lobes about equal to tube; racemes reduced often umbel-like, usually with less than 10 flowers"	Kennedia
124	"Standard not appendaged; calyx lobes much shorter than tube; racemes long with many flowers"	"Hardenbergia: Hardenbergia comptoniana"
125	"Lowermost calyx lobe much longer than others; pod linear with an acicular beak"	"Centrosema: Centrosema pascuorum"
125	"Lower 3 calyx lobes equal or absent pod oblong, not or slightly beaked"	Canavalia
126	"Bracteoles conspicuous, leafy, elliptic; flowers 1 (rarely 2) on axillary peduncles"	"Austrodolichos: Austrodolichos errabundus"
126	"Bracteoles narrow (subulate) or absent; inflorescence usually otherwise"	Kennedia
127	"Stipules deciduous"	"Dendrolobium: Dendrolobium cheelii"
127	"Stipules persistent"	128
128	"Pods enclosed by calyx"	129
128	"Pods not enclosed by calyx"	130
129	"Calyx lobes short and broad, enlarged in fruit"	"Christia: Christia australasica"
129	"Calyx lobes very narrow, not enlarged in fruit"	"Uraria: Uraria lagopodioides"
130	"Primary bracts leaf-like with 2 large round leaflets"	"Phyllodium: Phyllodium pulchellum var. pulchellum"
130	"Primary bracts simple, small, narrow"	Desmodium
131	"Standard pubescent on back, equal to or greater than 2 cm long"	Clitoria
131	"Standard glabrous on back"	132
132	"Style uniformly thick or thin, or tapering"	133
132	"Style abruptly divided into thin basal part and thickened upper part"	134
133	"Style straight and blade-like; standard mostly purple"	"Lablab: Lablab purpureus"
133	"Style strongly curved near base and apex in one direction, gently curved in middle in opposite direction; standard pinkish"	"Dipogon: Dipogon lignosus"
134	"Thickened part of style bent through 90° just above the base, then curved and slightly narrowed towards the apex, resembling a squarish hook"	Macroptilium
134	"Style not as above, variously and smoothly curved"	Vigna
135	"Trees with red flowers; keel much shorter than standard"	Erythrina
135	"Woody climbers; keel equal to or longer than standard"	Mucuna
136	"Stamens all united by filaments into sheath open along upper side; pod dehiscent"	137
136	"Stamens not as below, or if (rarely) so, then pod indehiscent"	138
137	"Erect shrubs; leaflets with margins entire; racemes several to many-flowered"	Goodia
137	"Prostrate herbaceous perennials; leaflets crenulate distally; racemes1–3-flowered"	"Paragoodia: Paragoodia crenulata"
138	"Margin of leaflets toothed or crenulate, or if entire then plants dotted with immersed (not superficial) glands"	139
138	"Margin of leaflets entire"	145
139	"Leaflets dotted with immersed black or shining glands (may be obscured by hairs)"	140
139	"Leaflets not gland-dotted"	142
140	"Leaflets usually 3, palmately or pinnately trifoliolate"	Cullen
140	"Leaflets usually 5 or more"	141
141	"Leaves mostly palmately 5-foliolate"	Cullen
141	"Leaves imparipinnate"	Psoralea
142	"Pod enclosed in calyx; flowers in heads or spikes"	Trifolium
142	"Pod exceeding calyx; flowers racemose, in heads or clusters"	143
143	"Pod ovoid, straight, indehiscent; flowers in slender elongated racemes"	Melilotus
143	"Not as above"	144
144	"Pod spirally coiled or rarely curved, usually indehiscent"	Medicago
144	"Pod linear, curved, tardily dehiscent"	"Trigonella: Trigonella suavissima"
145	"Not as below"	146
145	"Undersides of leaflets, calyx and sometimes petals covered with superficial yellow or orange resinous gland dots (may be obscure)"	150
146	"Standard silky-hairy behind"	Tephrosia
146	"Standard not silky-hairy behind"	147
147	"Calyx of 4 acuminate lobes by union of upper 2 teeth"	"Galactia: Galactia tenuiflora var. macrantha"
147	"Calyx otherwise"	148
148	"Flowers clustered in leaf axils, or in heads or spikes; pod enclosed in calyx"	Stylosanthes
148	"Inflorescence a raceme, sometimes few-flowered and sub-umbellate; pod exserted"	149
149	"Style bearded"	Swainsona
149	"Style not bearded"	Canavalia
150	"Pods depressed or grooved between seeds"	Cajanus
150	"Pods not depressed or grooved between seeds"	151
151	"Pod valves not strongly transversely veined; seeds without distinct fleshy rim aril"	Rhynchosia
151	"Pod valves strongly transversely veined; seeds with a large fleshy rim aril"	"Nomismia: Nomismia rhomboidea"