1	Leaf rachis spiny		Ebenus
+	Leaf rachis not spiny		(2)
2 (1)	Hairs biramous, stamens apiculate		Indigofera
+	Hairs not biramous, stamens not apiculate		(3)
3 (2)	Plant glandular punctate		Psoralea
+	Plant not glandular punctate		(4)
4 (3)	Fruit discoid, mostly crested or prickly		Onobrychis
+	Fruit not as above		(5)
5 (4)	Straight, obtuse or truncate keel, 2-flowered bract; bracteoles persistent		Lespedeza
+	Inflexed acuminate keel, 1- flowered bract; bracteoles deciduous		Campylotropis