Japan Flora: Rhi¬zomes rather slender, elongate; leaves all radical, broadly ovate to ovate-orbicular, 2-5 cm. long, 2.5-6 cm. wide, deeply cordate, hirsute and minutely glandular-puberulous on both sides, subacute to acute, shallowly 5-lobed, incised and toothed; scapes 15-25 cm. long, glandular-puberulent, coarsely hairy at the base, 2- to 10-flowered, the pedicels short; calyx¬lobes depressed-deltoid, subacute, spreading, subrecurved at the tip; petals pinnatiparted, minutely glandular, the disc prominent; stamens inserted on the margin of the disc, very short; style very short, entire, the stigma punctiform; seeds often glandular. Apr.-June. Along streams and ravines in mountains;

Honshu, Shikoku, Kyushu.