Tree up to 35 m tall, evergreen. Leafy twigs 3-4(-5) mm thick, minutely whitish appressedly puberulous, smooth, drying blackish; lenticels scattered, few. Leaves spirally arranged; lamina coriaceous, entire, elliptic, (4-)6-16 by (1.5-)2-5 cm, apex shortly (sub)acuminate, base cuneate to rounded, often slightly unequally, margin entire; upper surface sparsely minutely whitish appressedly puberulous to (sub)glabrous, smooth; lower surface minutely whitish appressedly puberulous on the midrib or also on the lateral veins, smooth; lateral veins 14-20 pairs, tertiary venation scalariform, almost flat; petiole (0.5-)1-2(-3) cm long, 1-2 mm thick, minutely whitish appressedly puberulous, the epidermis persistent; stipules fully amplexicaul, 2-4.5 cm long, whitish (to brownish) appressedly puberulous, on the whole outer surface or only on the keel, caducous. Staminate inflorescences axillary, solitary; peduncle 1-1.5 cm long, minutely whitish appressedly puberulous; head cylindrical to spicate, 1.5-20 by 0.5 cm; perianth tubular c. 0.8 mm long, the apex 2-lobed, minutely puberulous; stamen c. 1 mm long, anther c. 0.2 mm long; interfloral bracts absent. Pistillate inflorescences axillary, solitary; peduncle 1.5-2.5 cm long, minutely whitish (appressedly) puberulous (or also with patent brown uncinate hairs); head ellipsoid to cylindrical; perianth tubular, sparsely minutely brownish puberulous, the apex convex; stigma simple; interfloral bracts absent. Infructescences ellipsoid, up to 7 by 4 cm, covered with 1-2 mm long pyramidate apices of the perianths; fruits ellipsoid, c. 1.2 cm long.
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