Tree up to 30 m tall and 45 cm in diam. Leaves 2-jugate; rachis 3-15 cm and petiole 0.3-1.5 cm, both glabrous; petiolules (0-)4-10 mm, glabrous. Leaflets oblong-elliptic, obovate, broadly elliptic, 8.5-18.5 by 4 — 8.5( — 10.5) cm; apex rotund or obtuse; base unequally cuneate, rarely obtuse or rounded; midrib 2-4 cm from the upper margin. Inflorescences 1-4 in axils of leaves or leaf-scars, sessile, rachis 3-7 mm, glabrous, 10-20-flowered; bracts broad-ovate or-reniform, 5-8 mm long; bracteoles oblong-naviculiform or obovate-oblong, 3.5-7 mm long; pedicels 5-13 mm. Hypanthium 3-5 mm deep. Sepals oblong-ovate, 3-6 mm long, reflexed. Petals linear-spathulate, 5-8 mm long. Stamens 17-25; filaments 16-21 mm, very shortly connate at base. Ovary c. 4 mm long, glabrous, stipitate; stipe 1.2-6 mm; style at last ± straight, up to 15 mm. Fruits compressed oblong-ovoid or-ellipsoid, 9-10 by 4.2-5 cm, light brownish. Seeds oblong, slightly kidney-shaped, 6.5-6.7 by 2.1-2.9 cm.