Japan Flora: Rhizomes short-creeping; leaves membranous, cordate to reniform, 4-8 cm. long, 6-12 cm. wide, shallowly 7- to 9-lobed, glabrous on upper side, thinly puberulent beneath, the lobes deltoid or again lobulate, mucronate, the petioles glabrous; scapes 20-40 cm. long, 1.5-2.5 times as long as the leaves, glandular-puberu- lent in upper part; flowers several, in one or sometimes 2 whorls, the bracts broadly linear, small, obtuse, the pedicels 1-2 cm. long； calyx nearly tubular, 7-8 mm. long, 5-cleft, the lobes lanceolate, obtuse; corolla 1.5-2.5 cm. across, rose-purple, the tube 12-14 mm. long; capsules 7-12 mm. long, ovoid-oblong. July-Aug. High mountains. 

Hokkaido (w. distr.), Honshu (centr. and n. distr.); rare.

var. pubescens (Takeda) Takeda & H.Hara. Leaves shallowly lobed, long-pubescent on the nerves beneath and on lower part of scapes and petioles. Hokkaido.