Japan Flora: Much-branched small tree or large shrub with gray-brown often puberulous branchlets often scattered pilose while young; leaves ovate or narrowly so to narrowly ovate-deltoid, 5-10 cm. long, 25-4.5 cm. wide, gradually acuminate, rounded at base, mucronate-toothed, with a mucro between the teeth, the nerves beneath with appressed hairs, glabrescent, the hairs sometimes also on the upper side, the lateral nerves 13-17 pairs, the petioles 7-12 mm. long; staminate inflorescence from the terminal and upper lateral buds; pistillate aments 1 or 2, the peduncles pubescent while young, erect or ascending, 5-15 mm. long, the mature aments ovoid-ellipsoid, 15-20 mm. long.  Apr.

Kyushu; common in mountains.