Japan Flora: Tree, the branchlets soon glabrate; leaves ovate to broadly so or elliptic-ovate, 7-13 cm. long, 4-7 cm. wide, abruptly acuminate, cordate, irregularly serrulate, with the teeth ending in a short awn, nearly glabrous or with scattered hairs on the nerves and axillary tufts of brownish short hairs on lower side, the lateral nerves of 15 to 20 pairs, the petioles 1.5-3 cm. long; fruiting aments narrowly oblong, pendulous, the peduncles glabrous or puberulous, 2-4 cm, long, the scales 2-2.5 cm. long, oblong, toothed; nuts oblong, about 5 mm. long, glabrous, with about 10 striations on each side.
Hokkaido, Honshu, Shikoku, Kyushu. Korea and China.