Trees 10-15 m tall. Branchlets 3-6 mm thick, densely covered with stiff pale brown to yellow pubescence, glabrescent. Stipules ovate-lanceolate, 4-5 cm, membranous, densely pubescent. Leaves distichous; petiole 2-3 cm, densely covered with yellow bristles; leaf blade broadly elliptic to elliptic, 25-30 × 15-20 cm, sometimes pinnately lobed, abaxially with yellow bristles, adaxially coarse, base broadly cuneate to obtuse, margin entire or with small teeth, apex obtuse; secondary veins (9-)10-12(-18) on each side of midvein, abaxially prominent, adaxially flat. Male inflorescences ovoid to ellipsoid, 1-3.5(-4) × 1.5-2 cm, pedunculate; bracts shield-shaped, margin ciliate. Male flowers: calyx deeply 2-lobed. Fruiting syncarp reddish brown when dry, ± globose, ca. 7 cm in diam., with bent bristles.