Shrub or small tree, the branchlets puberulent when very young, soon becoming glabrous, lenticellate. Leaves moderate, the leaflets 1-2 (sometimes more?) pairs; petiole short, usually less than 1 cm. long, glabrous in age, subsulcate above, egland-ular; rachis frequently exceeding the petiole, unwinged, glabrous, bearing cylindric glands at insertion of the pairs of petiolules, at least in the larger leaves; leaflets elliptic, 2-10 cm. long and 1-4 cm. wide, in quadrifoliolate leaves the basal pair of leaflets the smaller, acuminate and markedly attenuate apically, cuneate basally, glabrous, the venation reticulate and prominent below; stipules linear, about 2 mm. long, caducous. Inflorescence of axillary pedunculate umbels, slender and delicate; peduncles up to 2 cm. long; pedicels 4-12 mm. long, glabrous. Flowers moderate; calyx cupulate, scarcely 1 mm. long, glabrous; corolla tubular-funnelform, 5-6 mm. long, glabrous, the tube about twice as long as the lobes; staminal tube ex-serted. Legume linear, up to 13 or 14 cm. long and about 17 mm. wide, flat, glabrous, nearly straight, short-stipitate.
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A tree. It grows 12 m tall. The twigs are thin. The leaves are compound. The leaflets are leathery. The flowers are in groups in the axils of leaves. The flowers are white. The fruit is a pod that can be straight or curved. It is 8-16 cm long by 1-2 cm wide and 0.6 cm thick. The pods is green or yellow and swollen over the seeds. There are about 14 seeds. The pod pulp is sweet and edible.
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