Tree up to 10 m tall. Branchlets 5-8 mm thick, brown-puberulous to hirtellous to hirsute. Stipules 0.5-1 cm long, terminal buds more or less swollen; petiole 1.5-3 cm long; blade coriaceous, ovate to elliptic to obovate or to narrowly elliptic, 5-18 x 1.5-12 cm, apex obtuse to subacuminate to acute, base subcordate to obtuse to acute, margin often ± revolute, scabrous above, puberulous beneath, on the main veins to hirtellous, sometimes also white arachnoid hairs; secondary veins 6-7 pairs, basal pairs unbranched, reaching the margin at or below the middle of the blade, tertiary venation prominent. Staminate inflorescences branched; heads numerous, ca. 0.6 cm in diam.; common peduncle 4-7 cm long; stamens 3, far exceeding the perianth. Pistillate inflorescences unbranched; head ca. 0.5-0.8 cm in diam.; peduncle 0.5-2.5 cm long. Interfloral bracts present.