Tree 7.5-18 m tall and 30 cm in diam. Leaves (2?-)4-jugate, petiole c. 1 cm. Leaflets extremely unequal, the lower pair very small (bract-like at the base of an inflorescence), elliptic, 0.5-1.6 by 0.3-0.8 cm, acute at the apex, rounded at the base, the upper pair lanceolate, 7.5-16 by 1.2-2.7 cm, acuminate at the apex, cuneate to rounded at the base, both glabrous above, rusty hairy beneath; petiolules very short, c. 1.5 mm. Inflorescences axillary, sessile, fasciculate, 1-1.5 cm long; bracts ovate, 3 mm long, densely striate; bracteoles boat-shaped, 2.8 mm long, puberulous; pedicels 3 mm. Hypanthium absent. Flowers white. Sepals oblong, 3.5 by 1.5 mm. Petals linear, 2.5 by 0.1 mm. Stamens 12; filaments 5 mm, united at the basal 0.5 mm. Ovary shortly stipitate, 2 mm long, densely hairy. Fruits peach-shaped, 6 cm long, 4.3 cm wide and thick, hard and brown, longitudinally grooved at the side, rugose and obscurely scaly. Seeds kidney-shaped, 3.5 by 2.7 by 2.4 cm, rugose.