| Family | VIOLACEAE |
| Genus species | Viola vallicola A.Nelson |
| Bibliography | Bull. Torrey Bot. Club 26: 128 (1899) |
| Native Range | w. & wc. Canada to nw. & nc. USA |
| Primary Biome | Temperate |
| Habitat | steppes |
| 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 | perennial |
| 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 |
| Synonyms | Crocion vallicola Nieuwl. & Lunell Viola nuttallii var. vallicola (A.Nelson) H.St.John Viola nuttallii ssp. vallicola (A.Nelson) Roy L.Taylor & MacBryde Viola physalodes Greene Viola russellii B.Boivin Viola subsagittifolia Suksd. |
| Territory | 7 Northern America 71 Western Canada (BRC British Columbia, SAS Saskatchewan) 73 Northwestern U.S.A. (COL Colorado, MNT Montana, WYO Wyoming) 74 North-Central U.S.A. (KAN Kansas, NDA North Dakota, SDA South Dakota) |