| Family | VIOLACEAE |
| Genus species | Viola rhizomata Nakai sect. Viola |
| Bibliography | Bot. Mag. (Tokyo) 49: 498 (1935) |
| Native Range | Japan |
| Primary Biome | Temperate |
| Habitat | grassland and thickets |
| Description | leaves petiolate, cordate to reniform, 2-3cm long, acute, crenate-serrate, glabrous, flowers 15-20mm across sepals lanceolate, spur thin, 6-9mm, purple |
| Size | 5-15cm |
| Color | purple |
| Bloom | summer |
| Ca | |
| Type | perennial |
| 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 |
| Synonyms | Viola faurieana var. rhizomata (Nakai) F.Maek. Viola grypoceras var. rhizomata (Nakai) Ohwi Viola yamadoriana Makino |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) |