| Family | VIOLACEAE |
| Genus species | Viola rostrata Muhl. ex Pursh |
| Bibliography | Fl. Am. Sept. 1: 174 (1813) |
| Native Range | Japan, e. Canada to nc. & e. USA |
| Primary Biome | Temperate |
| Habitat | thickets and woods |
| Altitude | 200-1800m |
| Description | not stoloniferous, basal leaves ovate to reniform, 1-5cm, crenate to serrate, eciliate, pubescent, stem leaves similar, sepals lanceolate, spur long, white or purple |
| Size | 5-20cm |
| Color | pale violet |
| 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 | Lophion rostratum (Muhl ex Pursh) Nieuwl. Viola rostrata f. albiflora Y.Ueno Viola rostrata f. alpina E.Hama Viola rostrata var. crassifolia Hashim. Viola rostrata var. elongata Farw. Viola rostrata var. japonica (W.Becker & H.Boissieu) Ohwi Viola rostrata ssp. japonica W.Becker & H.Boissieu Viola rostrata var. phelpsiae (Fernald) Farw. Viola rostrata f. phelpsiae Fernald Viola rostrata f. radicans M.Nagas. Viola rostrata f. ramosa M.Nagas. Viola rostrata f. trirostrata Grover |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) 7 Northern America 72 Eastern Canada (ONT Ontario, QUE Québec) 74 North-Central U.S.A. (WIS Wisconsin) 75 Northeastern U.S.A. (CNT Connecticut, INI Indiana, MAS Masachusettes, MIC Michigan, NWJ New Jersey, NWY New York, OHI Ohio, PEN Pennsylvania, VER Vermont, WVA West Virginia) 78 Southeastern U.S.A. (ALA Alabama, GEO Georgia, KTY Kentucky, MRY Maryland, NCA North Carolina, SCA South Carolina, TEN Tennessee, VRG Virginia) |