Shrub to tree, 3-10 m high, dbh up to 15 cm. Branchlets sericeous when young; flowering twigs 4-5.5 mm thick. Leaves 1-or 2-jugate; rachis 9.3-22.2 cm long, terete, glabrous, petiole 6-9.5 cm long. Leaflets subsessile, subopposite, ovate, 11.9-22.7 by 6.1-10.7 cm, index 1.8-2.1, subsymmetri-cal, acroscopic side somewhat broader, subcoria-ceous, not punctate; base attenuate; margin entire, flat; apex acuminate to cuspidate, often mucronulate; upper surface glabrous; lower surface duller, smooth, no papillae, glabrous, domatia absent; venation on upper side flat to raised, raised below; nerves 0.3-2.9 cm apart, marginally rather looped and joined; veins laxly reticulate to scalariform, very distinct. Inflorescences axillary, branching along the flattened to terete, sericeous, glabrescent, 6.1-13.5 cm long axis; first order branches up to 7.8 cm long; cymules cincinnate, c. 3-flowered; bracts and bracteoles triangular, outside sericeous, inside glabrous; bracts 0.7-1 mm long; bracteoles 0.3-0.4 mm long; pedicels 4.2-5.8 mm long, sericeous except for the glabrous articulate part. Flowers c. 4 mm in diam. Sepals 5, ovate, margin pilose, with glands, outside and inside glabrous, greenish white; 2 outer smaller ones 1.2-1.9 by 1.8-2.2 mm; 3 larger inner ones 2.4-3.2 by 1.2-2.5 mm, margin petaloid. Petals 5, obovate, 2.8-3 by 1.7-2 mm, white; claw c. 0.5 mm high; margin pilose, outside and inside glabrous, apex obtuse to acute; scales c. 1.8 mm long, free; crest clavate, stipitate, apex lobed; petal between two adjacent larger sepals not reduced in size. Disc uninterrupted. Stamens 8: filaments 2.5-3.8 mm long, pilose, especially basally; anthers 0.6-0.7 mm long, glabrous. Pistil: ovary c. 0.4 mm long, subhirsute; style and stigma c. 0.2 mm long. Fruits with 2 or 3 well developed lobes, c. 1.8 by 2.3-2.9 cm, slightly ribbed, glabrous, red when fresh, blackish when dry; stipe c. 2.5 mm high, slender; margin blunt; wall less than 1 mm thick at suture; lobes c. 17 by 12 mm; septa complete. Seeds globose, c. 11.2 by 9.8 mm; hilum c. 3 mm long.
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