A small to large tree, upto 10 m tall with a dense crown. Trunk c.1.5-2 m in circumference, with grey smooth bark, young shoots long soft hairy. Leaves with 2.5-4.5 cm long, pubescent petiole; lamina ovate or rotundate-ovate, 7-15 (-18) cm long, 3-10 cm broad, 3-5-costate at the rounded to ± cordate base, sparsely pubescent to glabrous, margins finely serrate, shortly acuminate; stipules lanceolate, pubescent. Male catkins 5-10 cm long including a slender c. 1.5 cm long, pubescent peduncle, densely hairy. Male flowers: sepals 4, ciliate on margins; staminal filaments as long as long as sepals. Female catkins cylindric, 5-12 cm long including c. 2 cm long peduncle, pendulous, lax-flowered, almost glabrous. Female flowers: sepals 4, imbricate, thin, outer 2 concave-rotundate., inner ones plane, floccose-ciliate on margins; ovary with elongated, bipartite style, stigmas patent. Sorosis cylindrical, more than 5 cm long, yellowish-white, fleshy, edible, slightly tasteless.