Tree to 21 m high and 75 cm in diam. Leaves 2-or 3-foliolate, petiole up to 2(-3) cm. Leaflets elliptic-oblong, 6.5-17 by 2.8-8.5 cm, chartaceous; apex narrowly acuminate; base very broadly cuneate; glabrous above, excessively finely puberulous beneath. Inflorescences 5-7 cm long, the rachis rather sparsely pubescent; pedicels 5-6 mm. Hypanthium c. 2 mm long. Calyx lobes 4.5 by 2.5 mm, finely pubescent outside. Stamens 10, the filaments strongly bent in bud. Ovary 4-ovuled. Pods (immature) elliptic-oblong, c. 8 by 4 cm, very compressed, finely rugulose, densely pubescent, the stipe c. 5 mm long.