| Family | VIOLACEAE |
| Genus species | Viola grayi Franch. & Sav. sect. Viola |
| Bibliography | Enum. Pl. Jap. 2: 288 (1878) |
| Native Range | c. Japan |
| Primary Biome | Temperate |
| Habitat | sands |
| Altitude | 0-100m |
| Description | glabrous, leaves petiolate, thick, cordate, 1-3cm, acute, shallowly serrate, adaxially shiny, flowers 20-25mm across, spur thick, 5mm long, whitish |
| Size | 5-10cm |
| Color | pale bluish purple |
| Bloom | spring |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 13-16°C division after flowering and in fall |
| Synonyms | Viola grayi var. erecta M.Nagas Viola grayi f. glabra (W.Becker) F.Maek. Viola grayi var. glabra Viola grayi var. pubescens Nakai Viola grayi f. pubescens (Nakai) E.Hama Viola grayi var. erecta M.Nagas. Viola grayi var. glabra W.Becker Viola grayi var. pubescens Nakai Viola grypoceras var. grayi (Franch. & Sav.) Nakai Viola obtusa var. glabra (W.Becker) Nakai Viola senamiensis Nakai |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) |