Tree, up to 30 m, dbh up to 40 cm. Branchlets c. 1 cm thick, when young densely orange-brown to ferrugineous tomentellous, glabrescent. Leaves: petioles 6-10 cm long; ultimate parts of the rachis above flattened to keeled; petiolules up to 2 mm long, above keeled, pulvinate. Leaflets alternate, ovate, 5-10 by 1.8-3 cm, index c. 3, beneath bearded in the nerve-axils, furthermore glabrous or thinly tomentose on the nerves beneath and on the midrib; base acute to obtuse, decurrent; apex tapering acuminate, acumen acute; midrib above slender and prominulous, nerves 0.5-1 cm apart, curved to straight, only the upper ones looped and joined near the margin, prominulous on both sides, but more strongly so beneath; intersecondary nerves more or less well developed, parallel to the nerves. Thyrses up to 17 cm long, densely tomentellous; peduncle 2-5 cm long; cymes with 1-2 mm long stalks; pedicels 1-2 mm long. Sepals dark purple, hardly or not persistent in fruit, outer and inner hardly different (outer 2 broad-ovate, inner broad-obovate), c. 2.5 by 2-2.2 mm, inside rather densely appressed-hairy, margin entire, apparently not petaloid. Petals with a c. 1.25 mm long claw, the blade transversely half-elliptic, c. 1 by 1.5 mm, margin below the insertion of the scale densely woolly, upper part densely ciliate, apically crenu-late, inside woolly, the claw more densely so than the blade; scale rearching about halfway the blade, slightly bilobed, completely woolly. Disc 5-lobed, the lobes in the centre deeply hollowed, hence each ± annular, the part towards the centre of the flower densely hairy, furthermore glabrous. Stamens 8; filaments 1-2 mm long, rather densely woolly in the lower 0.7th part; anthers c. 0.8 mm long, glabrous. Fruits subglobular, c. 22 by 17 mm, at base contracted into a c. 1 mm long stipe, densely ferrugineous tomentellous, (1-) 2-(or 3-)celled, inside densely ferrugineous velvety.
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