An open-crowned tree 10–20(40) m in height, with a straight clear bole.Bark smooth, pale.Branches brittle.Twigs and petioles scurfily stellate-pubescent.Petioles 5–15 cm long.Leaf blade 10–30 × 10–25 cm, broadly ovate-suborbicular, shortly acutely acuminate at the apex, deeply cordate at the base, usually entire, occasionally shallowly denticulate, sparingly scurfily stellate-pubescent on the nerves on the upper and lower surfaces, otherwise ± glabrous and minutely gland-dotted beneath; main nerves 7–9(11) from the base, lateral nerves in 5–7 pairs.Stipules 0.7–1 × 0.7–1.5 cm, ovate, densely pubescent.Male inflorescences 20–30 × 20 cm, often leafy at the base; axes pubescent; bracts 1–2 mm long, ovate, 1–4-flowered.Male flowers: pedicels 2–3 mm long, ± glabrous; buds ovoid, pubescent; calyx lobes 2.5–3 mm long, broadly ovate, cream-coloured; disk glands 10, 0.3 mm long, cylindric; stamens 30–40, 2–3 mm long, anthers 1.3 mm long, pale yellow.Female inflorescences few-branched, up to 20 cm long and wide; bracts 4 mm long, 1-flowered; otherwise as in the male.Female flowers: pedicels stout, up to 8 mm long, pubescent; calyx lobes 3 mm long, accrescent to 5(9) mm in fruit, linear-lanceolate, 3-nerved, thick, reflexed, velutinous; disk shallowly 5-lobed; ovary 2 mm in diameter, 3-lobed, densely stellate-pubescent; styles 2 mm long, pubescent abaxially.Fruits 1–1.2 × 1.2–1.3 cm evenly scurfily stellate-tomentose.Seeds 7 × 5 mm, ellipsoid, dark brown-mottled; caruncle appressed, 2-lobed.