Tree up to 24 m high and 20 cm ø. Buttresses sometimes present, up to ½ m high, ½ m wide, thin. Branchlets light brown, velvety, glabrescent. Leaves coriaceous, oblanceolate, 18-67 by 4-16½ cm, glabrous on both surfaces; papillae distinct on the lower surface; base attenuate; apex obtuse, sometimes acute; nerves 21-37 pairs; veins reticulate-scalariform, distinct below, faint above; petiole 3-8 cm, the lower 1½-3(-5) cm thickened and rusty-velvety. Panicles axillary only, 1-3 cm long; bracts lanceolate, 1½-2 mm long; pedicels 0-2 mm. Flowers 7-9 mm long. Hypanthium 3-4 mm long. Calyx lobes triangular or ovate, 2 mm long. Petals oblong or obovate-oblong, 4-5 by 1¼-1¾ mm, flat. Stamens 3½ mm; filaments brown, the lower 1½-2 mm united with the petals; anthers ⅔-¾ mm long. Disk 5-lobed. Imperfect or abortive stamens in ♀ 2 mm. Ovary subglobose, 1½-2 mm ø, gradually narrowed into a very short style; stigmas capitellate. Abortive pistil 0 in ♂, replaced by a tuft of hairs. Drupe broadly ellipsoid, or ovoid, 3 by 2 cm, rusty-pubescent; apex apiculate.
Primary lowland or mixed dipterocarp forest, up to 450 m. Fl. April, Nov.; fr. Jan., April.
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