Japan Flora: Radical leaves subcoriaceous, green above, paler beneath, obtuse or subacute, 2-8 cm. long, 1-5 cm. wide, rounded or sometimes cordate at base, the petioles loosely coarse-hairy; scapes )0-30 cm. long, loosely long coarse-hairy; inflorescence 5-15cm long; flowers small, whitish, apetalous; capsules 3-4 mm. long; carpels 2, connate nearly the whole distance, dehiscent. May-June. Wet shaded rocks;

 

Honshu (Tdkaidd Distr.), Shikoku, Kyushu; rare.