Japan Flora: Large deciduous glabrous shrub with terete branches; leaves membranous, ovate or obovate, sometimes elliptic or narrowly obovate-oblong, 5-10 cm. long, 2-5 cm. wide, acuminate, acute to rounded at base, obtusely serrulate, with raised nerves beneath, the petioles 3-6 mm. long; inflorescence 7-15 cm. long, loosely flowered, the peduncles slender; flowers more than )0, umbellate on the peduncles, 5-merous, white or pale purple, about 7 mm. across; calyx-teeth much depressed, entire; petals orbicular; fruit globose, 10-12 mm. across, smooth. May-June. Thickets and woods in low mountains;

Hokkaido, Honshu, Shikoku, Kyushu; common and variable. s. Kuriles, Korea, and centr. China.