Tree, (8-)15-30 m high. Leaves in whorls of 3 or 4, coriaceous when dried; blades usually obovate, 5.7-16(-23) by 2.7-6.6 cm, ratio 1.7-2.9(-3.3), base cuneate, margin entire to undulate, apex acute or abruptly acuminate, sometimes rounded; secondary veins 10-14 pairs. Inflorescence 2.2-6 cm long, axillary cymes, in whorls of 2 or 3, loose; peduncle 1-3 cm long. Flowers 10-15(-25) on each inflorescence. Sepals ovate, apex rounded, thick. Corolla greenish cream or pale yellow, villose inside, rather dense, forming a belt of 1.5 mm wide just below the insertion of stamens; tube 6 mm long, tube-calyx ratio 3-3.5, tube-lobes ratio 0.9. Stamens inserted at 3 mm below the mouth, 0.5 of the length of the corolla tube; filaments 0.8 mm long. Pistil 4.7 mm long; ovary ovoid, gradually narrowed at apex towards base of style; style 3 mm long, not split at base. Fruit composed of 2 separate mericarps; mericarps ellipsoid, base rounded, apex gradually apiculate, acumen 0.4-1 cm long, straight or rather curled, with distinct lateral ridges, remotely verrucose or with fine irregular ridges 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.
Disturbed primary forests, open secondary forests, or open areas such as roadsides; growing on clayey or sandy soils; at elevations up to 1,500 metres.
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