(Shrub to) tree, 2-25 m high, dbh up to 30 cm; (low buttresses); outer bark rather smooth, thin flaky to finely fissured, grey-green to dark brown, inner bark pinkish straw to purplish to red-brown, hard, non-fibrous; wood straw to orange-pink, surface corrugated; indumentum brown. Branchlets sericeous when young; flowering twigs 2-6.5 mm thick. Leaves l-4(-5)-jugate; petiolule up to 5(-7) mm long. Leaflets ovate to elliptic, 4.6-23.5 by 1.3-8.4 cm, usually asymmetrical, rather thin to coriaceous, usually punctate; base usually asymmetrical; margin flat (to somewhat revolute); apex acuminate to caudate, mucronulate; upper surface at most sericeous on midrib, usually with wax; lower surface not to (slightly) sericeous on midrib; domatia a absent (to few pockets apically); nerves mainly, apically marginally looped; veins distinct. Inflorescences in upper leaf axils and pseudoter-minal, rather slender, 0.8-2 mm thick, sericeous, up to "25.5 cm long, usually with a few up to 11.4 cm long branches; cymules cincinnate (to partly dichas al), 2-or 3(-6-)flowered; bracts and bracte-oles triangular, sericeous; bracts up to 3 mm long; bracteoles up to 1.3 mm long. Flowers 2.5-5.2 mm in diam, fragrant. Sepals deltate to ovate, 0.7-1.7 by 0.7-1.8 mm, sericeous, pale green to yellowish brown, Peta/sobovate, apex truncate, frayed, white; scales yellow; crest small to large, often flat and linear, apically glabrous. Male flowers: petals 1.7-3.5 by 1.8-3 mm, claw 0.2-0.7 mm high, scales 1-1.6 nm long; stamens: filaments 2.8-6.6 mm long, white, anthers 0.5-0.8 by 0.3-0.7 mm, or-ange tc red; pistil: ovary 0.3-1 mm high, style and stigma 0.1-1 mm long. Female flowers: petals 1.3-1.8 by 1.1-1.7 mm, claw 0.1-0.3 mm high, scales 0.5-0.9 mm high; stamens: filaments 0.8-3.3 mm long, anthers 0.4-0.8 by 0.3-0.5 mm; pistil yel-lowish green, ovary 0.8-1.5 mm high, style and stigma 0.3-2.5 mm long. Disc yellowish green to red. Fruits 1.2-2.1 cm high by 1-2.2 cm broad,smooth, glabrescent, purplish red, stipe low, 3-6. high, lobes with 1-3 mm broad wings; tuft of hairs below placenta. Arillode yellow to red, with a straight appendage. Seeds obovoid, 5.5-10 by 3.7-6 mm, brown.