Tree up to 15(-40?) m tall, with small buttresses, evergreen. Leafy twigs 4-10 mm thick, whitish minutely appressedly puberulous to strigillose, drying dark brown to blackish; lenticels scattered. Leaves spirally arranged; lamina (sub)coriaceous, entire, elliptic to subrhombic, 15-28 by 9-17 cm, or pinnatifid, with 1-4 pairs of lateral lobes, 18-28 by 11-24 cm, base cuneate to rounded, apex subacuminate to acute, margin subentire to repand; upper surface white appressedly puberulous on the main veins or only at the base of the midrib, sometimes also sparsely hirtellous on the midrib, smooth; lower surface whitish puberulous on the main veins, scabridulous; lateral veins 10-13 pairs, at least the lower ones mostly branched or forked away from the margin, tertiary venation scalariform, almost flat; petiole (2-)3-8 cm long, 1.5-3 mm thick, whitish appressedly puberulous, the long hairs intermixed with much shorter hairs; stipules 6-18 cm long, whitish appressedly puberulous, caducous. Staminate inflorescences axillary, solitary; peduncle 1.2-2.5 cm long, whitish appressedly puberulous; head spicate, 1-21 cm long, 0.4-0.7 cm diam.; perianth tubular, 1-1.8 mm long, the apex 2-lobed, minutely puberulous; stamen 1.5-2.8 mm long, anther 0.3-0.5 mm long; interfloral bracts absent. Pistillate inflorescences axillary, solitary; peduncle 1.5-5 cm long, whitish appressedly puberulous; head ellipsoid; perianth tubular brown to yellowish puberulous to muriculate, the apex convex; stigma bifid; interfloral bracts absent. Infructescences ellipsoid, up to 7 by 5 cm, often irregularly shaped, covered with c. 3 mm long cylindrical apices of the perianths; fruits ellipsoid, c. 1.2 cm long.
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