| Family | VIOLACEAE |
| Genus species | Viola vallicola A.Nelson |
| Synonyms | Viola physalodes Greene |
| Viola russellii B.Boivin | |
| Viola subsagittifolia Suksd. | |
| Habitat | american prairie |
| Altitude | 400-2800m |
| Description | not stoloniferous, leaves petiolate, ovate-oblong, 1-4cm, truncate, entire ciliate, glabrous or puberulent, sepals lanceolate, lower petal 9-14mm, spur yellow, 1mm |
| Size | 2-18cm |
| Color | deep yellow |
| Bloom | late spring, summer |
| Ca | |
| Type | tuft |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 13-16°C division after flowering and in fall |
| Territory |
Northern America
Western Canada (British Columbia , Saskatchewan ) Northwestern U.S.A. (Colorado , Montana , Wyoming ) North-Central U.S.A. (Kansas , North Dakota , South Dakota) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | VIOLACEAE
|