Dioecious tree to 25 (–30+) m high, puberulous, glabrescent; irritant hairs sparse. Leaves: lamina mostly elliptic to ovate (to broadly ovate), entire, rarely dentate (bluntly toothed-crenate), ± acute to obtusely acuminate apex, cuneate to rounded at base, 6–13 (–18) cm long, 3–8 (–10) cm wide, glossy above, ± dull and usually with some stinging hairs on veins on lower surface; lateral veins 6–8 pairs, the basal pair prominent; petiole (1.5–) 2–7 cm long; stipules c. 1 cm long. Inflorescence a unisexual, branched raceme, to c. 6 mm long, solitary. Pedicels c. 1.5 mm long. Tepals 4. Male flowers: pedicel fleshy at anthesis; pistillode small. Female flowers: lateral tepals larger than dorsiventrals; stigma c. 1.5 mm long. Achenes to c. 2 mm long, sigmoid, smooth, half covered by persistent tepals, reflexed over enlarged pedicel, translucent whitish to greenish white.
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