Tree 4–7 m tall, c. 8 cm in diam. Outer bark smooth, pale grey or greyish-brown; inner bark pale yellowish-brown or pale brown. Twigs densely covered with large shiny pale brown, peltate scales which have a fimbriate margin. Leaves imparipinnate, up to 80 cm long, petiole to 16 cm long, petiole, rachis and petiolules densely covered with scales like those on the twigs. Leaflets 7–9, 14–30 by 4–10 cm, the apex acuminate, cuneate at the slightly asymmetrical base, upper surface rugulose and pitted, lower surface with numerous dark, shallow pits, with scales like those on the twigs, densely covering the midrib and scattered on the lower surface; veins 13–19 on each side of the midrib. Inflorescence c. 30 cm long and 30 cm wide; peduncle up to 5 cm, peduncle, rachis and branches densely covered with scales like those on the twigs. Male flowers up to 2.5 mm long and 2 mm wide; pedicels up to 2 mm, densely covered with scales like those on the twigs. Calyx with few or no scales on the outside. Petals 4 or 5(–7). Staminal tube about 2/3 the length of the petals, cup-shaped or obovoid, the apical margin shallowly lobed and with simple hairs; anthers 4 or 5, about half the length of the tube, inserted 2/3–3/4 up the tube and protruding for half the anther length, with a few simple or stellate hairs. Fruits solitary, c. 3.5 cm long and 3.5 cm wide; pedicel 0.5 cm, with numerous reddish-brown peltate scales which have a fimbriate margin on the pedi-cel and calyx and few paler scales on the outside of the pericarp. Locules 2, each con-taining one seed which is surrounded by a gelatinous aril.