Trees to 15 m tall, monoecious; bark gray-white; branchlets angular, glabrous. Stipules subtriangular, 2-3 mm; petiole 5-8 mm; leaf blade ovate-lanceolate, lanceolate, or oblong-lanceolate, often slightly falcate, 7-10 × 1.5-3.5 cm, papery or thinly leathery, abaxially greenish, gray-brown when dry, glabrous or glabrescent on both surfaces, adaxially green, base acute, usually inequilateral; lateral veins 6-8 pairs. Flowers monoecious, in axillary clusters, male in proximal axils, female in distal axils, male and female mixed in central axils. Male flowers: pedicels 6-8 mm; sepals 5 or 6, obovate or elliptic, ca. 2 mm, yellowish; stamens 3, connate, connectives acute. Female flowers: pedicels 2-3 mm; sepals 6, ovate or ovate-triangular, outer larger than inner, ca. 1 mm; ovary ovoid, 4-6-locular, glabrous, ca. 1 mm in diam.; style column depressed globose, ca. 2 mm wide. Capsules depressed globose, ca. 4 × 8-10 mm, apex concave and with a persistent depressed globose style column, 8-12-grooved. Fl. Dec-Apr, fr. Apr-Oct.
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A shrub or tree. It can grow 15 m tall. The trunk can be 20 cm across.
Common to scattered in deciduous (dipterocarp-oak) forest, evergreen forest, secondary forest, old clearings, on steep ridges, and along the road; at elevations from 100-1,600 metres.
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