Tree with rough bark and mainly longitudinal furrows, young branch pubescent. Leaf imparipinnate, rachis c. 3.7-7.5 cm long; leaflets 3-5, c. 3.5-6.5 cm long, broadly ovate or suborbicular, acuminate, glabrescent, petiolule c. 5-8 mm long; stipules c. 5 mm long. Inflorescence an axillary panicle, composed of several short spikes with sessile to subsessile flowers. Bract small, pubescent, caducous. Calyx c. 5 mm long, teeth ciliate, unequal, shorter than the tube. Corolla yellowish white. Stamens 9, monadelphous, tube slit on the upper side only, anthers uniform. Ovary pubescent, 2-4-ovulate, style glabrous, stigma capitate. Fruit c. 3.7-10 cm long, c. 7.0-13 mm broad, strap-shaped, glabrous, 1-4-seeded. Seed flattened.