Tree up to 30 m high and 40 cm ø. Buttresses sometimes present, up to 2 m high, ½ m wide, 5 cm thick. Bark light brown to black, smooth or finely fissured. Branchlets brown, pubescent. Leaves subcoriaceous or coriaceous, obovate-oblong, oblong, or narrowly elliptic, (8½-) 12-30 by (3-)5-12cm; glabrous above except the pubescent midrib, pubescent or tomentose beneath especially dense on the midrib and nerves, glabrescent; papillae on the lower surface distinct, sometimes compact and obscure; base cuneate; apex shortly acuminate or acuminate; nerves 16-35 pairs, veins scalariform or reticulate-scalariform, distinct beneath, rather faint above; petiole in the lower ½-⅓ often slightly thickened, 1½-4½ cm, pubescent, glabrescent. Panicles terminal and axillary, up to 35 cm long, pubescent; bracts ovate to ovate-oblong, 1½- long; floral bracts triangular, l-l¾ mm long. Flowers yellowish white or white, sessile or subsessile, 4-6½ mm long. Hypanthium c. ½ mm long. Calyx lobes ovate or ovate-oblong, 1¼-2 mm long. Petals oblong or oblanceolate, 3-5 by ¾-1½ mm, longitudinally ridged inside. Stamens 3-3½ mm; filaments brown, sometimes whitish at the apical part, free; anthers c. 1 mm long. Imperfect or abortive stamens in ♀ c. 2½ mm. Disk 5-lobed. Ovary conical, 1½ mm ø; style 1 mm; stigmas capitellate. Abortive pistil in ♂ minute, glabrous. Drupe ovoid or ellipsoid, 1½-2½ by l-l¾ cm, rusty-puberulous (indumentum ⅔ mm thick); apex acute or obtuse.
Lowland forest, below 200 m, in Mt Kinabalu at 1500 m (2 coll.), occasionally on limestone or in swampy forest temporarily inundated by freshwater. Fl. May-July, Sept.-Nov.; fr. April-Aug.
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