Tree 3–32 m, sometimes bearing fruit at 3–5 m; bole up to 19 m, 5–92 cm in diam., with buttresses upwards up to 2.5 m, outwards up to 3 m and 20 cm thick. Outer bark pale grey, greyish-brown or brown, smooth, with vertical lines of brown lenticels, inner surface yellow; middle bark greenish-yellow to dark red; inner bark yellow or reddish-yellow; sapwood yellow or pink; heartwood dark red or brown, aromatic; latex while. Twigs with numerous to densely covered with small, very dark reddish-brown peltate scales which have a paler and slightly irregular or fimbriate margin. Leaves im-parbinnate, 20–50 cm long, 22–40 cm wide, obovate in outline; petiole 3–13 cm, peti-ole, rachis and petiolules with numerous to densely covered with scales like those on the twigs. Leaflets (7–)9–13, 8–20 by 2.5–7.5 cm, apex acuminate, rounded or cune-ate at the slightly asymmetrical base, glossy green above, paler below, the upper surface with numerous pits and sometimes rugulose, with numerous to densely covered with scales like those on the twigs on the midrib and numerous on the surface below, with some pits interspersed; veins 11–19 on each side of the midrib; petiolules 5–10 mm. Male inflorescence 21 cm long, 10 cm wide, peduncle 4 cm, peduncle, rachis, branches, pedicels and calyx densely covered with reddish-brown peltate scales which have a fim-briais margin, or stellate scales. Flowers c. 1.5 mm long and 2 mm wide, depressed globose, fragrant; pedicels 0.5–3 mm. Petals 5, yellow, aestivation quincuncial. Stami-nal tube 0.7 mm long, 1 mm wide, cup-shaped, aperture 1 mm across, the margin shallowly lobed; anthers 5, ovoid, inserted 3/4 up the staminal tube and protruding for 2/3 of their length. Female inflorescence c. 11 cm long and 11 cm wide; peduncle 2–3 cm, with indumentum like the male. Flowers 2–2.5 mm long, 1.5–2.5 mm wide, subglo-bose; pedicels 0.5–1 mm. Petals 5. Staminal tube 1.2–1.5 mm long and wide, obovoid or subglobose, the aperture c. 0.7 mm wide, shallowly lobed or dentate, anthers 5, 1/2-2/3 as long as the tube, sometimes with a few simple hairs, just protruding through the aperture. Infructescence either with 1 or 2 large fruits or 8–10 cm long and 7–13 cm wide with up to 36 small fruits; peduncle 0.5–2.5 cm long. The large fruits up to 6.5 by 4 cm, obovoid or ellipsoid, reddish-brown or dull yellow, indehiscent, the pericarp thick, woody and wrinkled, densely covered with pale or reddish-brown peltate scales which have a fimbriate margin on the outside and yellow inside.The small fruits 1.7 cm long, 1.4 cm wide, obovoid, pericarp dull orange, 1–2 mm thick and soft when fresh, brittle when dry, indehiscent; locules 2, each containing one seed. Seed of the large fruit 1, with a com-plete pale yellow aril. Seeds of the small fruits c. 1.4 cm long, 1 cm across and 0.6 cm thick, with a com-plete translucent orange or white aril less than 1 mm thick and black testa.
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