Hooker's Icon. Pl. 20: plate 1950. 1890.
Trees, indumentum of simple hairs. Pedicels present. Staminate flowers: stamen filaments 0.9–1.2 mm. Pistillate flowers: stigmas decurrent, reflexed-spreading. Seeds elongate-oblong, seed coat dry. x = 17.
Introduced; Asia (wc, w China), introduced and cultivated widely.