Japan Flora: Plant pubescent; stems slender; leaves thin, soft, membranous, distant, broadly ovate- deltoid to broadly ovate, 2.5-6 cm. long, 2-5 cm. wide, long- petiolate, deeply pinnatiparted with few coarse rounded and toothed segments; flowers solitary in axils, 8-10 mm. across, white, the pedicels radical, 3-6 cm. long; calyx 5-7 mm. long, 5-lobed; fruit globose, 4-5 mm. across; seeds few, about 1.5 mm. across. May-June. Woods in mountains.

Honshu (s. Kinki and Chugoku Distr.), Shikoku. Formosa, China, and India.