Leaves paripinnate, with 2–many leaflets; stipules linear, caducous; leaflets alternate, sessile, asymmetric, midrib subcentral.
Ovary 2-ovulate; style attached to the side of the hypanthial cup.
Pods without a lateral nerve; dorsal suture winged.
Inflorescence racemose, usually simple.
Hypanthium present, up to 5 mm long.
Petals white, 4–5, subequal.
Sepals 4, subequal.
Shrubs or trees.
Stamens 9–10.