| Family | VIOLACEAE |
| Genus species | Viola japonica Langsd. ex Ging. sect. Viola |
| Synonyms | Viola kapsanensis Nakai |
| Viola metajaponica Nakai | |
| Habitat | grassland and thickets |
| Altitude | lowland-montane |
| Description | leaves petiolate, ovate, 2-5cm, acute, subcordate, shallowly serrate, sparsely pubescent, abaxially purple, flowers 15-20mm, sepals broadly lanceolate, petals narrow |
| Size | 5-10cm |
| Color | purple |
| Bloom | spring |
| Ca | |
| Type | tuft |
| Cultivation | mesic, slightly humous, semi-shady site alpine house, moist, rich, drained soil, semi-shade |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 13-16°C division after flowering and in fall |
| Territory |
Asia-Temperate
Eastern Asia (Japan , Korea , Taiwan) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | VIOLACEAE
|