Tree, 5-7 m high, dbh 10-15 cm; bark dull brown, smooth; sapwood whitish, rather hard, odourless, tasteless, heartwood reddish brown. Branchlets sericeous when young; flowering twigs 2-3 mm thick. Leaves 2-3-jugate; rachis 2-10 cm long, basally terete to upwards flattened above, slightly winged, glabrous, petiole 1.9-3.8 cm long. Leaflets subsessile, opposite to subopposite, elliptic, 3.4-7.6 by 1.3-2.6 cm, index 2.6-3, asymmetrical, acroscopic side broader, coriaceous, punctate; base attenuate; margin entire, flat; apex acuminate, mucronulate; upper surface glabrous (except for the puberulous midrib); lower surface duller, smooth, no papillae, glabrous to slightly pilose near domatia, latter a single to many sacs in axils of nerves; venation raised; nerves 0.4-1.6 cm apart, marginally looped and joined; veins laxly reticulate, distinct. Inflorescences axillary, branching basally to usually along the flattened, subsericeous, 4.3-15.4 cm long; first order branches up to 4.2 cm long; cymules cincinnate, c. 3-flowered; bracts and bracteoles triangular, outside sericeous, inside glabrous; bracts c. 0.8 mm long; bracteoles 0.3-0.7 mm long; pedicels c. 3.3 mm long, sericeous except for the subglabrous articulate part. Flowers c. 3 mm in diam. Sepals 5, ovate, margin pilose, with glands, outside and inside glabrous; 2 outer smaller ones 1.4-1.6 by 1-1.3 mm; 3 inner larger ones 2-3.1 by 1.8-2.6 mm, margin petaloid. Petals 5, obovate, c. 2.1 by 1.4 mm, white; blade orbicular, abruptly clawed; latter c. 0.7 mm high; margin pilose, apex rounded; scales c. 0.8 mm long, free; crest a flat subglabrous part of the slightly bifid scale apex. Disc interrupted. Stamens 8; filaments 2.9-3.1 mm long, pilose, especially basally; anthers c. 0.5 mm long, glabrous. Pistil: ovary c. 0.7 mm long, subhirsute; style and stigma c. 0.2 mm long. Fruits immature.
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