Pyramidal shrub or small tree c. 2–10 m high, dioecious; branchlets thick, hairy, whitish, with large leaf scars. Leaves: lamina ovate to lanceolate to elliptic, c. 8–30 cm long, cordate to cuneate at base, serrate to sinuate margin, acuminate at apex, softly hairy beneath; petiole 2–7 cm long, tomentose, with 2 apical glands. Male inflorescence c. 3–15 cm long, slender; flowers many; sepals ovate, c. 2 mm long, tomentose; stamens 15–25, exceeding the many hairy glands. Female inflorescence c. 1.5–8 cm long; flowers small, few to many; sepals 3 or 4, triangular, c. 2 mm long, pubescent; ovary densely pubescent. Fruit 7–10 mm diam., 3-or 4-lobed, with raised sutures, tomentose, hairy inside. Seeds subspherical, wrinkled, black.
A shrub or small tree. It grows 20 m tall. It often has a purple covering. The trunk is 20-35 cm across. The leaves are alternate. The leaf stalk is 16 cm long. The leaf blade is oval and 9-27 cm long by 5-20 cm wide. It has a covering of small dots that let the light through. The edges of the leaves have coarse teeth. The male flowering stalk is in the axils of leaves. It can be 40 cm long. The flower groups have 6-13 together. There are 15-25 stamens. The female flowering stalk is in the axils and is shorter and more dense than the male one. It is up to 12 cm long. The fruit are 3-4 angled. The capsule has 6-8 furrows along it. It is 5-6 mm long and 7-8 mm wide. The seeds are oval or kidney shaped.