Tree up to 27 m. Bole up to 165 cm in circumference, with a few thick, shallow but-tresses upwards up to 50 cm. Bark smooth, pale brown with longitudinal rows of lenti-cels, flaking in large scales of irregular size up to 65 cm long and 35 cm wide; sapwood soft, fibrous, pink, yellow or white; latex white. Twigs fairly stout, densely covered with small pale brown or almost white stellate hairs or scales. Leaves imparipinnate, up to 50 cm long, 20 cm wide; petiole up to 20 cm, flattened on the adaxial side, petiole, rachis and petiolules with surface and indumentum like the twigs. Leaflets 11–15, 7–15 by 2–4 cm, green above and dark purplish-brown below when dry, usually lanceolate, sometimes oblong or elliptical, acuminate at apex, rounded at the asymmetrical base with very small scales like those on the twigs on the lower surface, which are numerous on or densely covering the midrib and few to numerous on the lower leaflet surface; veins 10–16 on each side of the midrib, lower surface with midrib and lateral veins both longitudinally wrinkled; petiolules up to 15(–20) mm. Inflorescence up to 25 by 15 cm; peduncle up to 10 cm, peduncle, rachis and branches somewhat flattened, and with in-dumentum like the twigs. Flowers up to 3 mm long and 2.5 mm wide; pedicel c. 1 mm. Calyx densely covered with stellate scales on the outside. Petals 3, densely covered with stellate scales on the outside. Staminal tube about 2/3 the length of the corolla, obovoid or cup-shaped, the apical margin shallowly divided into c. 6 acute lobes; anthers 6(–7), as long as the tube, narrowly ellipsoid, just protruding beyond the aperture of the tube. Infructescence with few fruits. Fruits up to 6 cm long, 7 cm wide, reddish-brown, de-pressed globose, densely covered with hairs and scales like those on the twigs on the out-side; latex white. Locules 3 or 4, each containing 0 or 1 seed. Seeds 3.5–3.8 cm long, c. 2 cm wide, 1.5 cm through, totally covered with a red or yellow aril 1–2 mm thick.
Dense, primary forest; more open secondary formations; growing on clays, shales, sands and loams; at elevations from 12-700 metres.
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