Shrub to tree, up to 23 m high, dbh up to 45 cm; outer bark dark red-brown to grey-brown, smooth to with many pustular lenticels, with fine reticulate cracks and with fairly numerous horizontal ridges, inner bark (straw-)brown; wood straw, heartwood pale brown to brown. Branchlets sericeous (to hirsute) when young; flowering twigs 1-5 mm thick. Leaves 2-5-jugate; petiolule up to 7 mm long. Leaflets elliptic, 3.5-11.1 by 1.4-3.9 cm, almost symmetrical to asymmetrical, coriaceous, not (to slightly) punctate; base somewhat asymmetrical; margin flat; apex cuspidate to caudate, mucronulate; upper surface (slightly) sericeous on midrib; lower surface (slightly) sericeous; domatia absent; nerves marginally looped; veins highly distinct. Inflorescences in upper leaf axils and pseudoterminal, rather sturdy, sericeous-hirsute, up to 12.3 cm long, with a few up to 3.7 cm long branches; cymules dichasial to cincinnate, 2-4-flowered; bracts and bracteoles triangular, sericeous; bracts up to 2.3 mm long; bracteoles up to 1.9 mm long. Flowers 4.2-7 mm in diam. Sepals ovate, 1.3-2.3 by 1.2-2 mm, hirsute, green. Petals obovate, white, apex acute; crest on scales absent to minute. Male flowers: petals 3.8-4.3 by 2.2-2.5 mm, claw 0.2-0.3 mm high, scales 1.8-2.8 mm long; stamens: filaments 3.2-9.6 mm long, pale green, anthers 0.8-1.1 by 0.4-0.7 mm, dark red; pistil: ovary 0.4-0.7 mm high, style and stigma 0.1-0.3 mm long. Female flowers: petals 2.8-3.9 by 2.2-2.3 mm, claw c. 0.2 mm high, scales 1.3-2.3 mm long; stamens: filaments 1.3-2.2 mm long, pale green, anthers 0.8-1.1 by 0.4-0.7 mm; pistil pale green, ovary 1.8-2.8 mm high, style and stigma 1.4-4.2 mm long. Fruits c. 1.4 by 1.5 cm, smooth, glabrescent, red-brown, stipe low, c. 3.5 mm high, lobes with c. 1 mm broad wings; no tuft of hairs below placenta. Arillode with a curled appendage. Seeds obovoid, c. 6 by 4.5 mm.
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