| Family | VIOLACEAE |
| Genus species | Viola yezoensis Maxim. |
| Bibliography | Bull. Acad. Imp. Sci. Saint-Pétersbourg, sér. 3, 23: 325 (1877) |
| Native Range | Japan |
| Primary Biome | Temperate |
| Habitat | thickets and woods |
| Altitude | 1300-1800m |
| Description | leaves erect, petiolate, ovate to narrowly ovate, 3-7cm, cordate, crenate-serrate, pubescent, flowers 2cm across, sepals broadly lanceolate, spur 7-8mm long |
| Size | 5-10cm |
| Color | white |
| Bloom | spring |
| Ca | |
| Type | perennial |
| Cultivation | cold, shady site with a humous, moist soil alpine house, moist, humous soil, shade |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 13-16°C division after flowering and in fall |
| Synonyms | Viola biacuta W.Becker Viola flaccida Makino Viola phalacrocarpa var. pallida Yatabe Viola pycnophylla Franch. & Savatier Viola yatabei Makino Viola yezoensis var. asoana E.Hama Viola yezoensis var. discolor Nakai Viola yezoensis f. discolor (Nakai) Hiyama ex F.Maek. Viola yezoensis var. dissecta Honda Viola yezoensis f. sordida Hiyama ex F.Maek. |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) |