Small tree up to 12(–20) m. Bole up to 5 m, up to 25 cm in circumference. Bark smooth, greenish-grey to brown, with small lenticels in longitudinal rows; inner bark green or magenta; sapwood pale pink or pale yellowish–brown or dark reddish-brown; occasionally with some white latex. Branches few, long, much divaricate, patent or as-cending-patent, with the ultimate branches horizontal in one plane. Twigs slender, den-sely covered with peltate scales and usually with pale yellowish-brown stellate hairs interspersed, the scales dark brown, some with a marked fimbriate margin, others much less so. Leaves few on each twig, imparipinnate, 10–30 cm long, 5–30 cm wide; peti-ole 1.5–6.5 cm, greenish brown, petiole, rachis and petiolules densely covered with scales and stellate hairs similar to those on twigs. Leaflets (l–)3–5(–7), 4.5–18(–23.5) by 2–6(–8.5) cm, bluish-green above and pale brown below when dry, acuminate-cau-date at apex with the obtuse acumen often narrow and parallel-sided and up to 20 mm long, rounded or cuneate at the usually asymmetrical base, with scales or hairs like those on the twigs occasional on midrib of upper surface, numerous on midrib of lower surface and scattered on the rest of that surface (occasionally numerous, especially in Borneo); veins 5–9(–11) on each side of the midrib, petiolules up to 20(–35) mm. Male inflorescence 7–35 cm long, 2–25 cm wide, peduncle 0–20 mm; rachis, branches and pedicels with numerous reddish-brown stellate scales. Male flowers up to 1.5 mm in diam.; pedicels c. 1 mm. Calyx with numerous reddish–brown stellate scales on the outer surface. Petals 5. Staminal tube less than half the length of the corolla, shallowly cup-shaped with the apical margin incurved and shallowly 5–lobed; anthers c. 0.2 mm long and wide, ovoid, inserted just below and protruding through the aperture of the tube, pointing towards the centre of the flower. Female inflorescence a narrow spike– like raceme 3.5–12 cm long with up to 20 brownish–yellow flowers. Female flowers up to 2 mm in diam., obovoid, like the male in structure but slightly larger. Infructescence up to 20 cm long and 15 cm wide. Fruits 1.5–2 cm long, 1–1.5 cm in diam., ellipsoid or obovoid, rounded at apex and tapering at base, yellow, orange or orange-red, dense-ly covered with pinkish-orange stellate scales turning brown when dry; pericarp 1–1.5 mm thick, fibrous and flexible, the innermost layer a detachable membrane which sur-rounds the seed. Locule(s) 1 (or 2), containing 1 seed. Seed c. 1.3 cm long, 0.9 cm wie e and 0.8 cm through; aril ± completely covering the seed, pale pink, translucent, gelatinous, sweet-tasting, attached along the raphe; seed coat thin, hard, dark brown; main vascular bundle running through the raphe and antiraphe, divaricately branching from the raphe over the sides of the seed. 2n = 84 [ Pannell Kew Bull., Add. Ser. 16 1992 21 ].
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A small tree. It grows 12-20 m tall. The trunk is 30 cm across. The bark is smooth and greenish-grey. There are a few long, divided branches. The twigs are slender and covered with scales. The leaves have leaflets along the stalk and one at the end. There are 1-3 pairs of leaflets. The leaves are 10-30 cm long and 5-30 cm wide. There are 3-5 leaflets are that are 5-18 cm long by 1-6 cm wide. They are pale brown underneath. The male flowers are 1.5 mm wide and the flowering cluster is 7-35 cm long by 2-25 cm wide. The female flowering group are narrow and spike like. The fruit are 2 cm long by 1-1.5 cm wide. They are oval and rounded at the tip and taper to the base. They are orange to red and covered with scales.
A sub-canopy tree, common in primary, secondary and periodically inundated swamp forest, along roadsides and on various soil types, at elevations up to 1,900 metres.
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A tropical plant. It grows in the forest from sea level to 1,900 m altitude. It often grows along rivers.
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