Tree 5-25 m. Twigs sometimes ± angular, 1.5-3.5(-5) mm diameter, early glabrescent, with rusty hairs 0.2-0.4 mm long; bark finely to coarsely striate, not flaking; lenticels either small and distinct, or absent. Leaves thinly chartaceous to coriaceous, elliptic-oblong to lanceolate, 5-15(-16) by 2-4.5 cm, base attenuate, apex (acute-)acuminate; upper surface glabrous, drying olivaceous-brown, lower surface glabrous, light brown or reddish brown, sometimes contrasting with upper surface; dots absent; midrib flat, sunken or slightly raised above, inconspicuous; nerves 7-15 pairs, sunken or ± flat above, inconspicuous; venation lax, faint; petiole 7-15 by 1.5-2.5 mm, early glabrescent; leaf bud 6-14 by 1-2 mm, with dense hairs 0.2-0.5 mm long. Inflorescences with sparse hairs 0.1-0.3 mm, sometimes glabrescent; in male: 3 (or 4) times branched, rather many-flowered, 2-6 by 2-4 cm, peduncle (0.2-)0.5-1.5 cm long, the flowers in loose clusters of 3-6; in female: fewer-flowered, 1.5-4 cm long; bracts oblong-lanceolate, 2-4 mm long, caducous; flowers glabrous, perianth 3-or 4-(rarely 2-)lobed, pedicel slender, articulated. Male flowers: pedicel 1-2 mm long; buds subglobose or short-ellipsoid, 1-1.2 by 0.8-1.3 mm, base rounded or short-attenuate, cleft c. 1/3 to nearly 1/2, not or slightly collapsing on drying, lobes 0.2-0.4 mm thick; androecium (including androphore) broadly obovoid, 0.6-0.8 by 0.4-0.7 mm, in cross section 3-or 4-angular (or ± ellipsoid in 2-lobed flowers) (Plate 3: 66); thecae 8-12, mutually almost entirely free (Peninsular Malaysia, Borneo), or free only for nearly the upper half (part of the material from Peninsular Malaysia), suberect, ± acute, 0.3-0.4 mm long; androphore ± tapering, nearly as long as the anthers, 0.2-0.4 mm long. Female flowers: pedicel 1-2 mm long; buds ellipsoid, 1.5-1.8 by 1.5 mm, cleft 1/3 to nearly 1/2; ovary ellipsoid, 1.2-1.3 by 0.6-0.7 mm, ± grooved at one side, glabrous, stigma shallowly 2-lipped, 0.1-0.2 by 0.6 mm. Fruits 1-6 per infructescence, ellipsoid, 1.5-2 by 1-1.4 cm, glabrous, without lenticel-like tubercles; pericarp 1.5 mm thick; fruiting pedicel 2-5 mm long; perianth not persistent.
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A slender, crooked tree. It grows 5-25 m tall. The fruit is a berry. There are 1-6 per flower stalk. The fruit are oval and 2 cm long by 1-1.5 cm wide. They are yellow-green.
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