Japan Flora: Perennial herb with stout rhizomes; stems 15-40 cm. long, densely white-woolly while young, sparingly long-pilose, few-leaved; radical leaves tufted, 8-20 cm. long; stipules white-woolly, membranous, the segments short, lanceolate, acute, green and ovate with few teeth in the cauline ones; leaflets 3-7 (rarely 9), oblong to narrowly so, 2-4 cm. long, 8-15 mm. wide, obtuse to acute, green, with thin woolly pubescence above while young, densely white-woolly tomentose beneath, the nerves beneath with appressed long pilose hairs while young, the marginal teeth broadly ovate, subacute; inflorescence few- to many-flowered; flowers 12-15 mm. across; calyx-segments nar- nowly ovate, acute, 3-4 mm. long; bracts of caliculus slightly smaller; petals 5, about twice as long as the calyx-segments, broadly obovate; receptacle hairy; achenes ovoid, nearly smooth and glabrous, brown, about 1 mm. long, rounded on back; styles rather stout, about 1 mm. long. Apr.-June.
Honshu (Kinki Distr.), Kyushu. Formosa, China, Manchuria, and Korea.