Japan Flora: Rather soft green perennial herb with long, slender, leafy stolons; leaflets ovate to ovate-orbicular, 2-3.5 cm. long, 3 cm. wide, acute, doubly or incised-toothed, thinly pubes­cent with ascending hairs od both surfaces especially beneath, the lateral leaflets often shallowly 2-lobed, the petioles with short ascending hairs, the stipules narrowly ovate to broadly lanceolate; calyx-segments narrowly ovate, acute, 5-8 mm. long, the bracts of the caliculus slightly larger than the calyx- segments, spreading, obovate; petals 5-10 mm. long; fruit globose, about 10 mm. across, red, the achenes small, about lands, especially common around paddy fields.

Hokkaido, Honshu, Shikoku, Kyushu. Korea, Manchuria, China to Malaysia.