Japan Flora: Small tree with gray-brown branchlets, glabrous or yellowish pilose while young; leaves obovate-elliptic to oblong, 6-9 cm. long, 3-5 cm. wide, short- acuminate to abruptly acute, rather regularly serrulate, gla­brous or slightly pilose on nerves beneath, reddish when dried, obtusely rounded to shallowly cordate, the lateral nerves of 9 to 12 pairs, raised beneath, the petioles 5-15 mm. long, more or less pilose on upper side; staminate inflorescence terminal, consisting of 4 or 5 aments, the pistillate of 3 to 5 aments borne just below, the fruiting aments short-pedunculate, ovoid- ellipsoid, 1.5-2 cm. long.  Wet places in lowlands and hills;

Honshu (Kanto, Tokaido, Kinki, and Chugoku Distr.); rather rare. China.