1	"Leaves absent or very few, or reduced to scales < 2 mm long"	2
1	"Leaves present and numerous (includes periodically deciduous genera)"	9
2	"Branchlets conspicuously flattened, 3-50 mm wide"	3
2	"Branchlets terete or ribbed, not flattened, < 3mm wide"	5
3	"Hairs on stem dense, +/- appressed; inflorescence terminal, spicate"	Jacksonia
3	"Hairs on stem spreading or absent; inflorescence in basal racemes, or axillary, solitary"	4
4	"Calyx outer surface (excluding margins) glabrous; fruits glabrous"	Bossiaea
4	"Calyx outer surface (excluding margins) hairy; fruits hairy"	Leptosema
5	"Flowers in short spikes (< 5cm) or in few flowered cymes or fascicles"	6
5	"Flowers in spikes or racemes more than 10 cm long"	7
6	"Branchlets spinose"	Mirbelia
6	"Branchlets innocuous"	Jacksonia
7	"Calyx spatheate, with tiny teeth at apex of spathe; often a few leaves present, 10-20 mm long"	Spartium
7	"Calyx not spatheate, teeth prominent; leaves absent"	8
8	"Fruits more or less spherical; bracteoles absent; shrubs 0.3-1 m high"	Sphaerolobium
8	"Fruits much longer than broad; bracteoles 2, persistent, 1-1.5 mm long, at base of calyx; shrubs 1.2-2 m high"	Templetonia
9	"All leaves simple or 1-foliolate"	10
9	"Some or all leaves compound, with 2 or more leaflets"	40
10	"Leaves opposite to sub-opposite or in whorls"	11
10	"Leaves alternate or scattered"	18
11	"Outer surface of calyx glabrous"	12
11	"Outer surface of calyx sparsely to densely hairy"	13
12	"Leaves in whorls of 3, largest ones 4-15 mm wide, apex pungent-pointed"	Pultenaea
12	"Leaves opposite, largest ones 0.7-1 mm wide, apex obtuse"	Eutaxia
13	"Leaves narrowly-elliptic to linear, 5-20 times longer than broad"	14
13	"Leaves elliptical to ovate, 1.5-4 times longer than broad"	16
14	"Largest leaves 40-85 mm long"	Oxylobium
14	"Largest leaves 10-30 mm long"	15
15	"Fruits 2-locular, with a longitudinal central groove"	Mirbelia
15	"Fruits 1-locular, not grooved"	Aotus
16	"Corolla 5-10 mm long"	Podolobium
16	"Corolla 13-22 mm long"	17
17	"Upper calyx lobes 2-3 times longer than lower lobes; fruits flat, rectangular; corolla yellow; leaf base obtuse to cordate"	Platylobium
17	"Upper calyx lobes 1-1.3 times longer than lower lobes; fruits inflated, ovoid; corolla red; leaf base cuneate"	Gastrolobium
18	"Stipules absent or caducous or less than 0.5 mm long"	19
18	"Stipules persistent to somewhat persistent and > 0.5 mm long"	27
19	"Inflorescences 10-25 cm long"	20
19	"Inflorescences 1-6 cm long"	21
20	"“Leaves” (actually petioles) linear, c. 1mm wide; calyx teeth shorter than tube; fruits indehiscent"	Viminaria
20	"Leaves elliptical to lanceolate, 2-8 mm wide; calyx teeth longer than tube; fruits dehiscent"	Crotalaria
21	"Petioles 10-20 mm long"	Lamprolobium
21	"Petioles 0-2 mm long"	22
22	"Leaves incurved or involute, and sometimes spirally twisted; standard petal much broader than long"	Dillwynia
22	"Leaves flat, recurved or revolute, not spirally twisted; standard petal about as long as broad"	23
23	"Bracteoles leaf-like, adnate to the calyx"	Phyllota
23	"Bracteoles much smaller than leaves and attached to petiole, or absent"	24
24	"Fruits (and ovary) 2-locular, with a longitudinal partition"	Mirbelia
24	"Fruits (and ovary) 1-locular"	25
25	"Bracteoles 2, on pedicel, shedding after anthesis; ovules 8-10; fruits sparsely hairy"	Chorizema
25	"Bracteoles absent; ovules 2; fruits glabrous or densely hairy"	26
26	"Fruits triangular, glabrous; leaves pungent-pointed or with reticulate venation; seeds arillate"	Daviesia
26	"Fruits ellipsoidal, densely hairy; leaf apex not pungent, leaf venation absent or obscure; seeds without an aril"	Aotus
27	"Hairs on leaves medifixed"	Indigofera
27	"Hairs on leaves basally attached, or leaves glabrous"	28
28	"Leaves conspicuously glandular-dotted"	Cullen
28	"Leaves without glandular dots"	29
29	"Standard petal densely hairy outside"	Tephrosia
29	"Standard petal glabrous outside"	30
30	"Flowers borne in spikes or racemes"	31
30	"Flowers 1-few in leaf axils, or in dense terminal heads"	35
31	"Fruits segmented"	32
31	"Fruits without joints or segments"	34
32	"Fruits more or less cylindrical, not very compressed, and scarcely constricted between the articles"	Alysicarpus
32	"Fruits compressed and constricted between the articles"	33
33	"Fruit segments c. 3 times longer than wide; longest leaves 9-19cm long; corolla white or creamy"	Hanslia
33	"Fruit segments 0.8-1.6 times longer than wide; longest leaves 1-8 cm long; corolla purple"	Desmodium
34	"Leaves glabrous; corolla purple; a vine"	Hardenbergia
34	"Leaves sparsely to densely hairy; corolla yellow (rarely mauve); shrubs or herbs"	Crotalaria
35	"Corolla purple"	Hovea
35	"Corolla yellow, or yellow and red"	36
36	"Ovules 2; fruits 5-14 mm long"	37
36	"Ovules 4-many; fruits 12-35 mm long"	38
37	"Bracteoles adnate to calyx; leaves 2-25 mm long"	Pultenaea
37	"Bracteoles attached to pedicel; leaves 50-85 mm long"	Eriosema
38	"Staminal filaments free throughout; seeds without aril"	Isotropis
38	"Lower half of staminal filaments fused into a tube; seeds arillate"	39
39	"Leaves 1-7 times longer than broad"	Bossiaea
39	"Leaves 7-50 times longer than broad"	Templetonia
40	"Numbers of leaflets even (terminal leaflet absent), rachis ending in a bristle or a tendril"	41
40	"Number of leaflets odd (terminal leaflet present), rachis without a terminal bristle, tendrils absent"	50
41	"Plants tendrillate"	42
41	"Plants without tendrils"	43
42	"Leaflets 2"	Lathyrus
42	"Leaflets 6-20"	Vicia
43	"Leaflets 2 or 4"	44
43	"Leaflets 6-70"	45
44	"Leaflets 2; fruits aerial"	Zornia
44	"Leaflets 4; fruits developing below ground"	Arachis
45	"Stipules attached at their base i.e. without an appendage"	46
45	"Stipules extending beyond the point of attachment, i.e. with an appendage"	48
46	"Fruits segmented, readily separating into 1-seeded articles"	Ctenodon
46	"Fruits not segmented, remaining entire"	47
47	"Climbing vine; seeds red and black"	Abrus
47	"Shrubs or small trees; seeds brown"	Sesbania
48	"Leaflets usually 6; fruits strongly curved, often circular"	Cyclocarpa
48	"Leaflets 12-70; fruits straight or slightly curved"	49
49	"Leaflets with numerous conspicuous hairs; fruits hidden within persistent calyx"	Smithia
49	"Leaflets glabrous; fruits emergent from calyx"	Aeschynomene
50	"At least some leaves with 5 or more leaflets (some 3-foliolate leaves may be present)"	51
50	"Leaflets consistently 3, or with some simple leaves also present"	79
51	"Leaves palmate"	52
51	"Leaves pinnate"	54
52	"Leaflets glabrous or very sparsely hairy; fruits 2-3 mm long, indehiscent"	Cullen
52	"Leaflets conspicuously hairy, at least on lower surface; fruits 35-50 mm long, dehiscent"	53
53	"Calyx deeply 2-lipped; fruits flattened, oblong"	Lupinus
53	"Calyx with 5 +/- equal lobes; fruits inflated, cylindrical"	Crotalaria
54	"Climbing vines"	55
54	"Herbs, shrubs or trees"	61
55	"Leaflets alternate on rachis"	Dalbergia
55	"Leaflets opposite or sub-opposite on rachis"	56
56	"Corolla blue, 35-55 mm long; fruits readily dehiscent"	Clitoria
56	"Corolla pink to maroon, 8-11 mm long; fruits indehiscent or tardily dehiscent"	57
57	"Fruits ovoid, obovoid or cylindrical, woody"	58
57	"Fruits strongly flattened, papery"	59
58	"Calyx with 5 prominent lobes, 3 acute and 2 obtuse"	Austrocallerya
58	"Calyx lobes very small, sometimes absent"	Ibatiria
59	"Leaflets and calyx glabrous"	Derris
59	"Leaflets and calyx hairy"	60
60	"Calyx lobes absent or < 0.4 mm long"	Solori
60	"Calyx lobes 0.8-1.2 mm long"	Austrosteenisia
61	"Largest leaflets 30-60 mm wide"	62
61	"Largest leaflets 1-30 mm wide"	65
62	"Leaflets 9-17; corolla orange"	Castanospermum
62	"Leaflets (3-)5-7; corolla white, pink, mauve or red"	63
63	"Leaflets alternating along rachis; fruits papery"	Dalbergia
63	"Leaflets in opposite pairs on rachis; fruits woody"	64
64	"Leaves opposite; standard petal glabrous; fruits dehiscent"	Ormosia
64	"Leaves alternate; standard petal with hairs on outer surface; fruits indehiscent"	Millettia
65	"All hairs on leaflets medifixed"	66
65	"Some or all hairs on leaflets attached at the base, or leaflets glabrous"	67
66	"Standard petal glabrous, keel petals rostrate; fruit somewhat bilaterally flattened"	Indigastrum
66	"Standard petal with hairs on outer surface, keel petals not rostrate; fruit round or tetragonal in cross-section"	Indigofera
67	"Stipels present"	68
67	"Stipels absent"	69
68	"Branches with sharp spines in leaf axils; tree; leaflets 11-21"	Robinia
68	"Branches without spines; herb; leaflets 3-5"	Uraria
69	"Leaflets glandular-punctate"	Glycyrrhiza
69	"Leaflets without glands"	70
70	"Petioles 0.5-1 mm long (basal pair of leaflets very close to stem)"	Lotus
70	"Petioles at least 2 mm long"	71
71	"Stipules absent or obscure (< 0.5 mm long)"	72
71	"Stipules persistent and > 0.5 mm long"	75
72	"Leaflets glabrous"	Gompholobium
72	"Leaflets hairy, at least on lower surface"	73
73	"Leaflets 3-5"	Lamprolobium
73	"Leaflets 11-39"	74
74	"Leaflets hairy on both surfaces; fruits moniliform"	Sophora
74	"Leaflets glabrous on upper surface; fruits winged"	Tipuana
75	"Fruits segmented; corolla yellow to creamy-yellow"	76
75	"Fruits without joints or segments; corolla usually pink to purple (in a few species white or yellow)"	78
76	"Flowers and fruits in umbels; fruits 1.1-1.5 mm wide"	Ornithopus
76	"Flowers and fruits solitary or in racemes; fruits 3-7 mm wide"	77
77	"Largest leaflets 19-35 mm long"	Ormocarpum
77	"Largest leaflets 5-11 mm long"	Aeschynomene
78	"Standard petal hairy on outer surface"	Tephrosia
78	"Standard petal glabrous"	Swainsona
79	"Leaflets with medifixed hairs"	Indigofera
79	"Leaflets with hairs attached at their base, or leaflets glabrous"	80
80	"Stipels absent from base of leaflets"	81
80	"Stipels present at base of leaflets"	103
81	"Stipules adnate to base of petiole"	82
81	"Stipules free from petiole or absent"	86
82	"Stipule pairs connate; leaflets entire"	Stylosanthes
82	"Stipule pairs free; leaflet margins with tiny to obvious teeth (one species entire)"	83
83	"Fruit enclosed in calyx; corolla persistent in fruit; leaves palmately trifoliolate in most species"	Trifolium
83	"Fruit exceeding calyx; corolla not persistent in fruit; leaves pinnately trifoliolate"	84
84	"Flowers and fruits fasciculate in leaf axils; peduncle absent or c. 1 mm long"	Trigonella
84	"Flowers and fruits in a raceme or umbel; peduncle > 8 mm long"	85
85	"Fruits usually spirally coiled, or sometimes merely recurved (with the persistent style pointing back toward the pedicel)"	Medicago
85	"Fruits ovoid, not curved (style terminal)"	Melilotus
86	"Fruit with broad transverse or oblique grooves between the seeds"	Cajanus
86	"Fruit without transverse or oblique grooves"	87
87	"Stipules persistent, > 1mm long"	88
87	"Stipules absent or < 1mm long"	97
88	"Leaflets with conspicuous gland dots on lower surface"	89
88	"Leaflets without gland dots on lower surface"	91
89	"Fruits indehiscent, 2.5-6 mm long; 9 out of 10 species with toothed leaflets"	Cullen
89	"Fruits dehiscent, 6-42 mm long; all species with entire leaflets"	90
90	"Leaflets +/- orbicular; fruits flattened, 30-42 mm long"	Dunbaria
90	"Leaflets elliptical to narrowly elliptical; fruits inflated, 6-14 mm long"	Flemingia
91	"Flowers/fruits in a terminal raceme"	92
91	"Flowers/fruits axillary, solitary or in fascicles"	94
92	"Leaves pinnately trifoliolate; corolla pink to purple"	Tephrosia
92	"Leaves palmately trifoliolate; corolla yellow"	93
93	"Vegetative stems prostrate; style glabrous"	Lotononis
93	"Vegetative stems erect; style bearded"	Crotalaria
94	"Leaflets hairy on upper surface; fruits 2-10 seeded"	95
94	"Leaflets glabrous on upper surface; fruits 1-seeded"	96
95	"Pedicels 10-35 mm long; fruits flattened, 5-6 mm wide"	Muelleranthus
95	"Pedicels 1-2 mm long; fruits cylindrical, c. 2 mm wide"	Rothia
96	"Leaves pinnately trifoliolate (central petiolule longer than lateral ones); leaflets 3-8 times longer than wide"	Lespedeza
96	"Leaves palmately trifoliolate (central petiolule same length as lateral ones); leaflets 2-3 times longer than wide"	Kummerowia
97	"Leaves pinnately trifoliolate"	98
97	"Leaves palmately trifoliolate"	99
98	"Terminal leaflet 10-30 mm long; calyx persistent"	Goodia
98	"Terminal leaflet 38-85 mm long; calyx shedding (circumscissile) soon after anthesis"	Lamprolobium
99	"Petioles 10-120 mm long"	Crotalaria
99	"Petioles 0-6 mm long"	100
100	"Petioles 0-1 mm long; upper leaflet surface densely hairy"	Plagiocarpus
100	"Petioles 1.5-6 mm long; upper leaflet surface glabrous"	101
101	"Lower leaflet surface glabrous"	Gompholobium
101	"Lower leaflet surface sparsely to densely hairy"	102
102	"Petioles flattened; branchlets without distinct ribs; fruits 9-11 mm wide; keel petals hairy only along lower margin"	Chamaecytisus
102	"Petioles not flattened; branchlets strongly ribbed; fruits 3-4 mm wide; keel petals with appressed hairs throughout"	Genista
103	"Stipules with 8-20 longitudinal ribs"	104
103	"Stipules not ribbed or with 1-8 longitudinal ribs, or sometimes absent"	115
104	"Leaflets glabrous on both sides; corolla orange to red"	Strongylodon
104	"Leaflets hairy, at least on lower surface; corolla white, yellow or purple"	105
105	"Underside of leaflets with numerous gland-dots; flowers in a dense head surrounded by numerous bracts"	Flemingia
105	"Underside of leaflets without gland-dots; flowers well-spaced in a raceme"	106
106	"Fruits jointed, separating into 1-seeded articles, or fruits 1-seeded"	107
106	"Fruits without joints or articles"	111
107	"At least some 2-foliate reduced leaves (foliar bracts) present at the base of the inflorescence, and sometimes present throughout inflorescence"	Phyllodium
107	"Reduced 2-foliate leaves absent"	108
108	"Flowers and fruits in umbels in leaf axils; shrubs or small trees"	Dendrolobium
108	"Flowers and fruits in spikes or racemes; vines, forbs or small shrubs"	109
109	"Fruits comprising 3-many articles"	Desmodium
109	"Fruits comprising 1 or 2 articles"	110
110	"Stipules free; fruit article(s) white, glabrous"	Uraria
110	"Stipules connate; fruit article(s) brown, with appressed hairs"	Aphyllodium
111	"Petioles 2-4 mm long"	Clitoria
111	"Petioles 5-150 mm long"	112
112	"Pedicels bearing few to numerous gland-based hairs (with a swollen base and a slender apex); fruits ellipsoidal, 8-11 mm long"	Pycnospora
112	"Pedicels without gland-based hairs; fruits 25-150 mm long"	113
113	"Standard petal hairy throughout; fruits with thickened margins"	Centrosema
113	"Standard petal glabrous; fruits without thickened margins"	114
114	"Corolla creamy to yellow; calyx glabrous"	Vigna
114	"Corolla mauve to purple; calyx moderately to densely hairy"	Pueraria
115	"Trees, branchlets prickly; stipels broad, obtuse, gland-like"	Erythrina
115	"Vines or shrubs, branchlets without prickles; stipels slender, acute, bristle-like"	116
116	"Leaflets with 2-4 pairs of acute teeth/lobes"	Pachyrhizus
116	"Leaflets without teeth, though sometimes with a broad obtuse lobe"	117
117	"Fruit with broad oblique or transverse grooves between the seeds"	Cajanus
117	"Fruit without oblique or transverse grooves"	118
118	"Largest leaflets more than 35 mm wide"	119
118	"Largest leaflets less than 35 mm wide"	131
119	"Flowers/fruits confined to upper 20% of inflorescence axis OR inflorescence axis < 5mm long"	120
119	"Flowers/fruits distributed over 20-90% of inflorescence axis and inflorescence axis at least 30mm long"	123
120	"Corolla 5-9 mm long; fruits with hairs 2-3 mm long"	Calopogonium
120	"Corolla 13-40 mm long; fruits with hairs 0.5-2 mm long"	121
121	"Inflorescence axis pendulous; calyx with a mixture of tiny appressed hairs and longer (1-1.5mm) strigose hairs; corolla pale green; fruits 35-45 mm wide"	Mucuna
121	"Inflorescence axis erect; calyx hairs all similar, or absent; corolla yellow, purple or maroon; fruits 3-8 mm wide"	122
122	"Corolla maroon; style thickened in upper part and bent through 90 degrees; hairs on fruit appressed"	Macroptilium
122	"Corolla yellow, mauve or purple; style curved or coiled; hairs on fruit antrorse or spreading"	Vigna
123	"Leaflet apex retuse; laminae and petiolules glabrous"	Vandasina
123	"Leaflet apex obtuse, acute or acuminate; laminae or petiolules at least sparsely hairy"	124
124	"Secondary veins in leaflets remaining more or less straight and continuing to leaflet margin; lateral leaflets very asymmetrical; fruits with 2 or 3 longitudinal ribs"	Mucuna
124	"Secondary veins in leaflets curving near the margin and not reaching it; lateral leaflets +/- symmetrical; fruits with 1 longitudinal rib or ribs lacking"	125
125	"Petioles and inflorescence axis with spreading rusty hairs 0.8-2 mm long; fruits 40-45 mm wide"	Dioclea
125	"Petioles and inflorescence axis glabrous or with hairs up to 0.8 mm long, not rusty; fruits 4-35 mm wide"	126
126	"Inflorescence axis with numerous raised mounds, +/- hemispherical to conical, from which the flowers arise"	127
126	"Inflorescence axis lacking raised mounds"	128
127	"Fruits with a single longitudinal rib; stipules short and thick, obtuse, peg-like; upper lip of calyx greatly expanded"	Canavalia
127	"Fruits without ribs; stipules long and thin, acute; upper lip of calyx about same length as lower"	Lablab
128	"Bracteoles present at base of calyx; pedicels 1-3 mm long"	129
128	"Bracteoles absent; pedicels 4-17 mm long"	130
129	"Standard petal glabrous; fruits 3-4 mm wide"	Neonotonia
129	"Standard petal sparsely hairy outside; fruits 15-23 mm wide"	Phaseolus
130	"Corolla maroon; pedicels 12-17 mm long; fruits with several seeds"	Kennedia
130	"Corolla yellow; pedicels 4-7 mm long; fruits 1- or 2-seeded"	Rhynchosia
131	"Lower surface of leaflets with numerous coloured gland dots"	132
131	"Lower surface of leaflets without coloured dots"	133
132	"Fruits with 1 or 2 seeds; pedicels 0.5-1.5 mm long"	Rhynchosia
132	"Fruits with 3-8 seeds; pedicels 2-4 mm long"	Dunbaria
133	"Papery venose bracts 25-35 mm long associated with each inflorescence; Cape York peninsula only"	Phylacium
133	"Inflorescence bracts absent or very small"	134
134	"Laminae and petiolules glabrous"	Hardenbergia
134	"Laminae or petiolules at least sparsely hairy"	135
135	"Standard petal hairy throughout; fruits with thickened margins"	Centrosema
135	"Standard petal glabrous; fruits without thickened margins"	136
136	"Inflorescence axis less than 10 mm long (hence flowers/fruits in leaf axils)"	Macrotyloma
136	"Inflorescence axis at least 20 mm long"	137
137	"Style bearded for most of its length; flowers/fruits several, confined to upper 20% of inflorescence axis"	138
137	"Style glabrous or with scattered hairs; flowers/fruits solitary OR distributed over at least 40% of inflorescence axis"	140
138	"Pedicels 4-9 mm long; calyx teeth obtuse; leaf apex finely pointed"	Dipogon
138	"Pedicels 1-4 mm long; calyx teeth acute or acuminate; leaflet apex obtuse or acute, but not finely pointed"	139
139	"Corolla maroon; style thickened in upper part and bent through 90 degrees; hairs on fruit appressed"	Macroptilium
139	"Corolla yellow, mauve or purple; style curved or coiled; hairs on fruit antrorse or spreading"	Vigna
140	"Bracteoles absent"	Kennedia
140	"Bracteoles present and persisting to fruiting stage"	141
141	"Flowers solitary on the inflorescence axis; bracteoles almost circular"	Austrodolichos
141	"Flowers in racemes, with several flowers on the inflorescence axis; bracteoles lanceolate to linear"	142
142	"Apex of fruit thick and hooked by 90 degrees or more"	Teramnus
142	"Apex of fruit slender and hooked by less than 90 degrees"	143
143	"Corolla white; hairs on fruits 0.5-1 mm long, spreading"	Neonotonia
143	"Corolla purple to pink; hairs on fruits 0.2-0.6 mm long, spreading or appressed"	144
144	"Calyx lobes 4, the dorsal sepals totally fused; flowers in groups of 2 or 3 along the inflorescence axis; mature fruits 4-7 mm wide"	Galactia
144	"Calyx lobes 5, the dorsal sepals only partly fused; flowers borne singly along inflorescence axis; mature fruits 2-4.5 mm wide"	Glycine