1 "Stipules fused behind the axillary bud, their margins papery, dry and membranous" Pultenaea 1 "Stipules free or absent" 2 2 "Stamens free or united at the base only" 3 2 "Stamens variously fused" 13 3 "Leaves small and soon shed; upper 2 calyx lobes united into a notched lip, lower 3 small and narrow; pods more or less spherical" Sphaerolobium 3 "Combination of characters not as above" 4 4 "Ovary with a partial longitudinal partition or pods with a longitudinal groove above" Mirbelia 4 "Combination of characters not as above" 5 5 "Ovules 4 or more" 6 5 "Ovules 2(3)" 10 6 "Calyx teeth edge to edge in bud; pods more or less spherical" Gompholobium 6 "Calyx teeth overlapping in bud; pods ovoid to elongate" 7 7 "Standard narrow, bent back, shorter than the wings and keel" Brachysema 7 "Standard broad, longer than the wings and keel" 8 8 "Leaves opposite or whorled; keel about twice as long as wings" Oxylobium 8 "Leaves mostly alternate; keel shorter than wings or with a beak" 9 9 "Leaves spiny-toothed or prickly-tipped" Chorizema 9 "Leaves entire, not as above" Podalyria 10 "Pods more or less triangular in outline" Daviesia 10 "Pods not triangular" 11 11 "Leaves with margins bent under (bracteoles absent)" Aotus 11 "Leaf margins not bent under" 12 12 "Leaves opposite, decussate" Eutaxia 12 "Leaves alternate, scattered or crowded" Dillwynia 13 "Upper stamen free, at least at the base, the other 9 joined to form a sheath (anthers gland-tipped)" Indigofera 13 "Stamens fused to form a tube that is open or closed on the upper side" 14 14 "Stamens forming a closed tube" 15 14 "Stamens forming a sheath open on the upper surface" 16 15 "Calyx with 5 small teeth, split to base on upper side; anthers bearded at the base" Spartium 15 "Calyx 2-lipped; anthers not bearded" Cytisus 16 "Calyx with 4(5) more or less equal teeth; anthers alternating long and short, longer ones more than 1.5 times as long" Crotalaria 16 "Upper 2 calyx teeth distinct; anthers equal or alternately long and short but longer ones less than 1.5 times as long" 17 17 "Leaves arranged in 2 rows (distichous)" 18 17 "Leaves alternate" 19 18 "Upper calyx teeth not as enlarged as lower ones; pod keel absent or thick" Bossiaea 18 "Upper calyx teeth expanded; pod keel thin and conspicuous" Platylobium 19 "Petals blue or purple; pods hardly longer than broad" Hovea 19 "Petals yellow, red or reddish purple; pods at least 1.5 times as long as broad" Templetonia