Tree up to 10 m. Twigs densely covered with dark reddish-brown peltate scales which are depressed and very dark in the centre and have a paler, irregular margin. Leaves 27–47 cm long; petiole 6–8 cm long, petiole, rachis and petiolules densely cov-ered with scales like those on the twigs. Leaflets (?5–)9–15, 7–17(–19) by 2–6(–8) cm, acuminate at apex, usually cuneate, sometimes rounded at the very asymmetrical base, with numerous pits or scales like those on the twigs on the upper surface, densely cov-ered with scales like those on the twigs and a few larger and darker ones interspersed on the 1ower surface; veins 9–13 on each side of the midrib; petiolule 5–15(–20) mm. Inflorescences in the axils of several leaves near the apex of the shoot, up to 28 cm long; peduncle c. 6 cm, peduncle, rachis and branches densely covered with scales like those on the twigs. Flowers c. 2.5 mm long and 3.5 mm wide; pedicels c. 3 mm, the pedicels and calyx densely covered with orange-brown scales which have a paler margin. Petals 5. Staminal tube c. 2 mm long and 3 mm wide, the aperture with 10 triangular lobes which have stellate yellow hairs on their margins; anthers 5, c. 0.7 mm long and 0.4 mm wide, inserted below the margin, with yellow stellate hairs, the staminal tube thick-ened below and between the anthers. Infructescence c. 18 cm long and 16 cm wide; peduncle 3–4 cm, the peduncle, rachis and branches densely covered with scales like those on the twigs. Unripe fruits c. 1 cm long, obovoid, with numerous bumps and densely covered with scales on the outer surface.