Tree, 6-20(-40) m by 30-60(-100) cm. Branchlets 3-5 mm, densely pubescent or glabrous except the minutely pulverulent tip; terminal bud 1/2-1 cm long. Leaves (0-)l-2(-4)-jugate, glabrous or lower surface pubescent on all nerves. Petioles 2-9½(-14) cm, usually hardly flattened at the base (distinctly flattened in var. rubra). Leaflets ovate (rarely lanceolate) to elliptical, 5.5-16(-20) by 2-6(-9½) cm, chartaceous, usually rather thin; base obliquely rounded to narrowly attenuate; apex subabruptly acuminate; on lower surface midrib and nerves prominent, veins and reticulations not very distinct; nerves 6-14 pairs (angle 65-75°), sinuous, arching. Panicles axillary (very rarely together pseudoterminal), broad, 0-4 cm peduncled, glabrous or pubescent, ♂ ones 4.5-17(-27) cm, branches up to 10 cm; female ones (2-)3½-14 (in fruit up to 18) cm, branches up to 5.5 cm (in fruit up to 10 cm). Flowers (sub)glabrous, 2-2.5 mm long. Calyx 1-1.5 mm high, subtruncate to sepals less than ½ connate. Petals inside glabrous or sparsely hairy. Filaments more or less adnate to the disk. Disk thick, cupular or infundibuliform, with 6 interstaminal lobes in ♂ flowers, more truncate in female ones. Pistil in ♂ flowers moderately reduced. Fruits very oblique, globose or ellipsoid, (8-) 10-18 by 6-13 mm, stigma very excentric, usually more than 90°, sometimes near the pedicel; sometimes more-seeded, red when ripe.
A sub-canopy tree in primary forests, usually on dry, rarely on swampy grounds, preferably at low elevations, rarely up to around 1,200 metres.
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