Tree up to 18(-30)m high and 30(-49) cm ø. Buttresses occasionally present, up to 1½ m high, Bark grey or pinkish brown, smooth, somewhat flaky. Leaves subcoriaceous, lanceolate, rarely elliptic, 6-15 by 2¾-6 cm, glabrous; occasionally with glabrous, dome-like domatia; papillae dis-tinct, all over the lower surface except the midrib; base cuneate or obtuse (margins separate); apex acuminate, rarely acute; nerves 8-16 pairs; veins reticulate, some slightly parallel and cross-bar-like, rather faint; petiole 2½-4 cm, semiterete, grooved or flat above. Panicles up to 30 cm long, ferruginous-puberulous; terminal parts of branches laxly branched, with spacious internodes, loosely flowered; floral bracts lanceolate to linear, 2-5½ mm long; pedicels c. 4 mm. Flowers white, scented. Calyx divided almost to the base; lobes oblong or slightly elliptic, 2-2½ mm long. Floral axis between calyx and stamens not elongated. Petals elliptic to elliptic-lanceolate, 3-3½ by 1½ mm, truncate or obtuse at the base; densely puberulous on both surfaces and also papillose inside. Disk lobes confluent with the base of filaments. Stamens l-l½45mra; anthers broadly ellipsoid, c. ½ mm long. Abortive pistil in ♂ c. 1 mm long. Ovary subglobose, c. ⅔ mm Ø; style ⅔ mm; stigma capitellate. Drupe ellipsoid, 1¾-2½ by ¾-l½ cm; enlarged petals narrowly elliptic, c. 5½ by l ¾ cm.
Primary peat-swamp forest, sometimes in undulating lowland dipterocarp forest, or on riverbanks, up to 700 m. Fl. May, Sept.-Dec.; fr Nov., Jan.
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