| Family | VIOLACEAE |
| Genus species | Viola japonica Langsd. ex Ging. sect. Viola |
| Bibliography | Prodr. [A.P.de Candolle] 1: 295 (1824) |
| Native Range | Japan, South Korea, Taiwan |
| Primary Biome | Temperate |
| Habitat | grassland and thickets |
| 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 | 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 japonica f. albida F.Maek. Viola japonica f barbara (Hiyama) F.Maek. Viola japonica f. pallescens Sugim. Viola japonica var. variegata Hatus. Viola japonica f. variegata (Hatus.) F.Maek. Viola kapsanensis Nakai Viola kapsaensis var. albiflora Nakai Viola metajaponica Nakai Viola metajaponica f. barbara Hiyama |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan, KOR Korea, TAI Taiwan) |