Tree up to 15 m. Outer bark thin, dark reddish-brown or white with black patch-es, scaly, with brown lenticels; inner bark reddish-brown or pale yellow, laminated; cambium pale yellow; sapwood pale purple, white or red and white; latex white. Twigs with numerous to densely covered with orange-brown stellate hairs. Leaves trifoliolate or imparipinnate, up to 21 cm long and 32 cm wide; petiole 3–10(–30) mm, petiole, rachis and petiolules with numerous to densely covered with hairs like those on the twigs. Leaflets 3–5, the laterals opposite, differing markedly in size, all pale yellowish-green when dry, with numerous orange-brown pits on the lower sur-face of the leaflets and the midrib on the lower surface densely covered with orange-brown stellate hairs; the basal pair of leaflets 2.5–8 by 1.5–5 cm, acuminate at the apex, rounded at the base, veins 5–8 on each side of the midrib, petiolules c. 2 mm; the remaining lateral leaflets, if present, 11–18 by 4.5–6.5 cm; the terminal leaflet up to 29 by 13 cm; these lateral and the terminal leaflets caudate at the apex, cuneate or rounded at the asymmetrical base; veins 10–14(–17) on each side of the midrib; petiolules up to 3(–14) mm. Inflorescence 21–26 cm long, 15–28 cm wide; peduncle 6–8.5 cm, peduncle, rachis and branches with numerous to densely packed orange-brown stellate hairs. Flowers 0.5–1.2 mm long and wide; pedicels c. 0.2–0.8(–2) mm long, pedicels and calyx with a few orange-brown stellate hairs or scales. Petals 5. Staminal tube up to 0.5 mm high, cup-shaped, the margin shallowly lobed; anthers 5, up to 0.3 mm long and wide, inserted just inside the margin and pointing towards the centre of the flower. Infructescence up to 14 cm long; the peduncle up to 8 cm, and the peduncle, rachis and branches with numerous to densely packed hairs like those on the twigs. Fruits 1 or 2, c. 6.5 cm long and 2.5 cm wide, red when young, yellow when ripe, narrowly ellipsoid, with a short stipe up to 5 mm long and a beak up to 5 mm long; the pericarp thin and leathery when dry, with 10 longitudinal ridges, along two of which the pericarp splits when dry, densely covered with compact reddish-brown stellate hairs on the outer surface. Locule 1, containing one seed. Seed 4–4.2 cm long, 1.2–1.5 cm wide, and 0.6–0.7 mm thick, ellipsoid, flattened on the raphe side, the testa with a conspicuous network of veins.
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