1	"Most or all staminal filaments connate into a sheath or tube; flowers pea-like, with a standard petal, 2 wing petals and 2 keel petals (often fused)"	Papilionoideae
1	"Staminal filaments all free or connate only at base; petals all similar in size and shape, or one petal smaller"	2
2	"Leaflets 2 or 1"	Cercidoideae
2	"Leaflets 3 to many, or leaves replaced by phyllodes"	3
3	"Leaves bipinnate or leaves replaced by phyllodes"	4
3	"Leaves pinnate"	5
4	"Flowers actinomorphic; petals valvate in bud"	mimosoids
4	"Flowers usually zygomorphic; petals imbricate in bud"	Caesalpinioideae
5	"Leaves imparipinnate"	Dialioideae
5	"Leaves paripinnate"	6
6	"Anthers dehiscing by apical pores; stipules lateral"	Caesalpinioideae
6	"Anthers dehiscing by slits; stipules intrapetiolar"	Detarioideae