Japan Flora: Shrub with rather stout flattened prickles, the flowering branches few-leaved, slightly elongate, more or less pubescent; leaves broadly ovate to orbicular, 4-10 cm. long, 35-8(-10) cm. wide, acuminate to sharply acute, truncate to cordate at base, glabrous to loosely appressed-pubescent on upper side, with spreading hairs beneath especially on the nerves, 3(-5)-lobed or -cleft and irregularly toothed, the lateral lobes acute; in­florescence 2- to 6-flowered, rather densely short-pubescent, the pedicels short, 5-10 mm. long; calyx 8-10 mm. long, cup- shaped, short-pnbescent outside, the lobes narrowly ovate, acuminate, densely white-tomentose on margin and inner side; petals white, obovate; fruit globose, red, the stones pitted, about 2 mm. long, the receptacle pilose. Apr.-June. Waste grounds and clearings in mountains.

Hokkaido, Honshu, Shi­koku, Kyushu; common with variable pubescence. China.