Japan Flora: branches brownish, lenticellate, the young parts pilosulous; leaves elliptic to broadly so, sometimes orbicular or ovate-orbicular, 6-10 cm. long, 5-8 cm. wide, abruptly cuspi­date to acute, rounded to acute at base, obtusely serrate, gla­brous on upper side, paler and with short yellowish curved hairs on nerves and veinlets beneath, the petioles 2-3 cm. long; inflorescence few-flowered, the short peduncle and pedicels pilosulous; fruit globose, 5-6 mm. across. May-June.

Hon­shu (Kanto Distr. and westw.), Kyushu. s. Korea.