Twigs 6-8 mm in diam., tomentose, glabrescent. Leaves 3-5-jugate; petiole 4.5-12 cm long, 2-4 mm thick, above grooved or somewhat rounded towards the apex; axes tomentose, finally glabrescent; petiolules 2-5 mm long, above broadly and shallowly grooved with a strong median rib. Leaflets elliptic to obovate, 4.5-18 by 2.75-7.5 cm, index 1.5-3, stiff-coriaceous, above tomentose on the midrib, soon mostly glabrescent, beneath densely tomentose on midrib, nerves, and intercalated veins, thinly so in between, domatia absent; base rounded to (upper leaflets) obtuse to acute; sides curved; margin repand; apex apiculate or with a short, broad, acute to rounded acumen; midrib above prominulous, nerves 0.5-1.25 cm apart, above sunken, intercalated veins well developed, veins densely scalariform, above slightly grooved or not, beneath well visible, veinlets minutely reticulate, visible above only. Inflorescence a widely branched terminal or pseudoterminal thyrse. Sepals free or nearly so, 2-2.2 mm long. Petals 5, 1.25-1.8 by 1.1-1.4 mm, white, claw 0.3-0.4 mm long, claw and most of the blade outside, and sometimes base of blade inside woolly; scale 0.2-0.25 mm high, consisting of 2 connate, reflexed, rounded lobes. Disc glabrous. Stamens 7 or 8. Pistil 2-celled. Fruits flattened ellipsoid, 4-4.5 by 2.5 by 1.25-1.75 cm, saccate at the abaxial side, tomentellous, partly glabrescent, rugose-warty; wall hard, corky, 3-6 mm thick, the saccate base and the carina solid.
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