Japan Flora: Nearly gla­brous perennial herb; stems 30-100 cm. long; terminal leaflets orbicular, subcordate, 5-10 cm. in diameter, 5- to 7-cleft to -parted, toothed, the lateral ones of few pairs, unequal, ovate, 2-30 mm. long, toothed and often incised, often reduced and obscure in the upper leaves; stipules membranous, sometimes few-toothed, erect or ascending; inflorescence a terminal many­flowered corymb, glabrous; flowers usually rose, 4-5 mm. across; calyx-lobes 4 or 5, reflexed; petals ovate-orbicular, obso­letely toothed; carpels 4 or 5; achenes short-stiped, oblong, gla­brous. July-Aug. Mountains.

Honshu (centr. distr. and vvestw.), Shikoku, Kyushu.

var. ciliata Koidz. Achenes ciliate. Honshu (centr. and Kanto Distr.).

var. yezoensis Hara. Calyx-lobes short-pilose inside; stipules smal­ler; petals nearly entire. Hokkaido