Trees 5-16 m high, dbh 5-25 cm; bark (greenish) grey to brown or black, slightly cracked, inner surface straw to dark (reddish) brown, under bark red or greenish, inner bark red or orange; wood white to orange brown. Twigs striate to grooved, 2-5(-10) mm in diam., shortly tomentose, glabrescent. Leaves (2-)4-5(-8)-jugate; petiole 3-11 cm, strongly pulvinate, flattened above, rounded below, towards the apex terete; rachis (2.5-)9.5-30.5 cm, about terete, both striate, shortly tomentose, gla-brescent; petiolules 2-15 mm, flattened above, rounded below, grooved above, shortly tomentose, glabrescent. Leaflets alternate to opposite, elliptic to ovate, rarely obovate, mid or dark green above, pale green, greyish or glaucous below, 6-22 by 2.5-8.5 cm, index 1.7-3.2(-4.2), thickly chartaceous, above glabrous to thinly puberulous, midrib more densely so, below almost glabrous to thinly puberulous, midrib and nerves more densely so, ± whitish when dry; base cunéate to rounded; apex short or long-acuminate; margin entire, exceptionally undulate; midrib not prominent above, nerves 8-16 per side, 5-20 mm apart, angle to midrib 45-65°; domatia inconspicuous, pocket-like. Inflorescences axillary or ramiflorous, c. 1 cm long, branched or not, in fruit 3-17 cm long; bracts and bracteoles subulate to deltoid, 0.2-1.2 by 0.1-1.1 mm; pedicels 1.5 mm long, articulated ¼ up their length, shortly tomentose. Flower buds about globular, yellow green, 1.7 by 1.9 mm; flowers only known from buds and from remains below the young fruits, white. Sepals ± elliptic, inner ones apically with scarious rims, 1.7-3.1 by 1.5-2.2 mm, ciliate. Petals 3 by 1.2 mm, claw 1.2 mm, outside appressed-hairy at the claw, ciliate at the base of the blade, inside appressed-hairy except apex; auricles woolly. Disc entire. Filaments of staminodes 2.2-2.5 mm; anthers 0.5-0.6 mm, glabrous. Style 1-1.9 mm, glabrous, stigma 0.4-0.7 mm. Young fruits red, 3-angled in cross section, tomentose inside.
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