Trees 10-25 m tall. Branchlets yellowish brown pubescent when young; branches stout, glabrous, slightly glaucous. Stipules broadly ovate, acuminate, 1.5-2 × ca. 1 cm, pubescent, recurved, deciduous; petiole 11-14 cm; leaf blade ovate-orbicular, 14-25 × 13-23 cm, thinly leathery, abaxially pubescent and glandular-scaly, adaxially glabrous or pilose along veins, base rounded and broadly peltate, with glands, margin serrulate, apex acuminate; palmate veins 9. Male inflorescences branched, 10-15 cm, branchlets zigzag; bracts linear-spatulate, 4-7 mm, with 1-3 elliptic glands, or bracts minute, triangular. Male flowers many per bract; pedicel ca. 1 mm, pilose; sepals 3, ovate, ca. 1 mm, glabrous; stamens 5-7. Female inflorescences branched, 5-6 cm; bracts triangular, ca. 1 mm, pubescent. Female flower solitary; sepals 4, ca. 1.5 mm, pilose, persistent; ovary 1-locular; style 1, subulate, ca. 1.5 mm. Capsule globose, ca. 4 mm in diam., sparsely glandular-scaly; pedicel 3-4 mm, pubescent. Seeds smooth, black. Fl. Aug-Oct, fr. Oct-Nov.
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