Japan Flora: Shrub; leaves ovate to broadly lanceolate, 3-6 cm. long, 1.5-3 cm. wide, acuminate to subobtuse, with 4- to 6-rayed stellate hairs above, pale green and with 10- to 15-rayed stellate hairs beneath; petioles 2-5 mm. long; inflorescence a simple raceme sometimes branched at base; calyx with simple and stellate hairs; petals about 15 mm. long; styles 3-4; capsules 3.5-6 mm. across. May-June.

Hokkaido, Honshu, Shikoku, Kyushu; common and very variable.

Var. heterotricha (Rehd.) Hara. Leaves beneath, pedicels and calyx-tube with spreading hairs. Honshu, Kyushu.

Var. nakaiana (Engl.) Hara. Leaves relatively narrower, with shorter teeth, the flowers smaller and more numerous, the petals 5-8 mm. long, the capsules about 3 mm. across. Honshu (w. distr.), Shikoku, Kyushu.