Japan Flora: Rhizomes slender, short; leaves few, reniform to orbicular-cordate, 1-2 (-6) cm. long, 1-3 (-7) cm. wide, the margins recurved, shallowly 7- to 9 obulate, pubescent above at least while young, pale green and long-pubescent especially on the nerves beneath, the petioles 3-10 cm. long, soft-pubescent; scapes 5-10 cm. long, slender, long-pubescent at base, 1- to 5-flowered at the apex, the pedicels 1-2 cm. long in fruit, the bracts lanceolate; flowers rose-purple, salverform, 2-3 cm. across; calyx 5-8 mm. long, 5-cleft; corolla-tube 8-10 mm. long; capsules as long as to slightly longer than the calyx, oblong to short-cylindric, 5-13 mm. long.   May. Wet shaded rocky cliffs in mountains;

Honshu (Kanto and centr. distr. 'vest'v. to Mount Omine in Yamato); rare.

Var. kitadakensis (Hara) Ohwi. Leaves and petioles less densely pubescent, the blades with acute lobes and teeth.  Honshu (Kanto and centr. distr.).