Japan Flora: Rhi­zomes short and stout; stems erect, angled, 1-1.5 m. long, 10- to 13-leaved; radical leaves long-petioled, the terminal leaf­lets large, cordate, 5-15 cm. long, 10-20 cm. wide, 5- to 7-cleft, the lobes acuminate, serrulate, rarely obsoletely incised, nearly glabrous on both sides or thinly pilose on nerves beneath, the lateral leaflets usually 1 or 2 pairs or absent, ovate, 1-3 cm. long, toothed, the stipules mostly foliaceous, green, with semi- orbicular, denticulate auricles; corymbs many-flowered, rather large, glabrous; flowers pink, 4-5 mm. across; achenes broadly oblanceolate, ciliate, stiped. July-Aug. Low mountains.

Honshu (Iwashiro, Echigo Prov.)