Tree up to 45 m. Bole up to 20 m, diam. up to 150 cm, with buttresses upwards to 3 m and outwards to 2 m. Bark scaly, brown or pale greyish-brown; inner bark pinkish-brown. Sapwood hard, yellowish-brown or reddish-brown; latex white, copious, sticky. Twigs up to 2 cm in diam. at apex, densely covered with reddish-brown hairs which have a central rachis up to 1 cm long and 1 mm wide and numerous whorls of arms ra-diating from it, hairs sometimes deciduous and exposing numerous pale brown or dark reddish-brown stellate hairs and scales; latex white and copious. Leaves in dense termi-nal spirals, imparipinnate, 35–100 cm long, 36–70 cm wide; petiole 15–35 cm; petiole, rachis and petiolules with indumentum like the twigs. Leaflets 11–13, 8–40 by 4.5–12 cm, shining dark green on upper surface, glossy pale green on lower surface, coriace-ous, asymmetrical and curved, rounded or slightly cuneate at the asymmetrical base, rounded at the apex, the upper and lower surfaces of the leaflets rugulose, with few to numerous white stellate scales on the midrib and occasionally on the rest of the lower surface; veins 13–21 on each side of the midrib, the lateral veins subprominent on the lower surface; petiolules 5–10 mm. Inflorescence c. 22 cm long and 7 cm wide; pedun-cle up to 8 cm, peduncle, rachis, branches and pedicels with hairs and scales like those on the twigs, deciduous, leaving densely packed pale brown stellate scales. Flowers c. 8 mm long and 6.5 mm wide; pedicels up to 3 mm. Calyx densely covered with pale brown stellate scales on the outer surface. Petals 3. Staminal tube obovoid, the margin of the aperture slightly lobed, anthers 17–21, 1/3–2/3 the length of the staminal tube packed together and alternating in two rows, all included. Fruits c. 8 cm long and 7 cm wide, dark orange-brown, subglobose or obovoid, dehiscent, the outer surface rough but with few or no stellate hairs or scales; pericarp up to 1.5 cm thick, with copious white latex. Locule 1, containing 1 large seed, c. 7 cm long, 4.5 cm wide and 4.5 cm thick; aril up to 4 mm thick, hard and with a dark red outer skin. Cotyledons transverse, slightly unequal. Shoot axis up to 7 mm long and 5 mm wide, plumule densely covered with orange-brown stellate hairs.
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