Japan Flora: Green sparsely pubescent herb; radical leaves sometimes persistent until anthesis; stems 5-20 cm. long; stolons leafy; leaves alternate, cordate-orbicular, 3-10 mm. long, 4-12 mm. wide, with rounded teeth, slightly cor¬date; leaves on stolons similar to the radical ones but larger, distinctly cordate, to 4 cm. long and as wide, long-petiolate; flowers yellowish green; calyx-lobes spreading, depressed- orbicular or elliptic, 1-2 mm. long; stamens short; capsules subinferior, sub truncate; seeds ovoid, about 0.6 mm. long, 1-ribbed, minutely mammillate. Apr.-May.

Hokkaido, Honshu (n. Kinki Distr. and northw.), Shikoku. Korea, Manchuria, Amur, Ussuri, Sakhalin, and Kuriles.