Tree, 9-36 m high. Leaves in whorls of 4, coriaceous or thinly so when dried; blades narrowly elliptic, 18.1-24 by 4.8-5.7 cm, ratio 3.2-4.5, base cuneate, margin entire or slightly undulate, apex usually acuminate, sometimes acute; secondary veins 20-22 pairs, arcuate ascending, not reaching the margin, joining, forming a submarginal vein which is close to the margin. Inflorescence 3-6.5 cm long, terminal and axillary cymes, in whorls of 3 or 4, loose; peduncle 0.7-4.5 cm long. Flowers fragrant, 10-12 on each inflorescence. Corolla white or sometimes yellowish white. Fruit composed of 2 separate mericarps; mericarps ovoid, base rounded, apex usually apiculate, acumen 0.5-0.8 cm long, usually strongly curled at the apical part, verrucose when dried; endocarps split into fibres penetrating the mesocarps; fibres rather thin and slender, not forming hard thick pointed ends. Seeds 1 at either placenta.