FABACEAE: Legume Family
KEY TO SPECIES OF ERYTHRINA
1. Leaflets hastately lobed to deltate; basal portion of prickles flattened and deeply depressed between 2 marginal ridges ca 0.5 mm across .......................................................................................................... E. herbacea
1. Leaflets mostly elliptic or oval to ovate, basal portion of prickles flattened but ridges lacking ................. E. crista-galli