Japan Flora: Soft pubescent herb; stems 5-10 cm. long, with well-developed leafy stolons; radical leaves usually withering before anthesis, the lower caulinc short-petiolate, flabellate, 4-15(-20) mm. long, 5-12(-20) mm. wide, with few short teeth; flowers few, yellow or rarely greenish yellow at anthesis, pale green in fruit; calyx-lobes ovate-orbicular or depressed-rounded, erect, 1-1.5 mm. long; stamens 8, slightly shorter than the calyx-lobes; capsules and seeds nearly the same as in the preceding species. Mar.- May. Wet places.

Honshu, Shikoku, Kyushu.