| Family | VIOLACEAE |
| Genus species | Viola linguifolia Nutt. |
| Bibliography | Fl. N. Amer. [J.Torrey & A.Gray] 1: 141 (1838) |
| Native Range | wc. Canada to w. USA |
| Primary Biome | Temperate |
| Habitat | grassland |
| Description | basal leaves long petiolate, ovate to elliptic, on base attenuate, crenate to serrate, sometimes entire, stem leaves similar, flowers solitary, long pedicellate, 3cm |
| Size | 10-30cm |
| Color | yellow |
| Bloom | spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 13-16°C division after flowering and in fall |
| Synonyms | Viola gomphopetala Greene Viola nuttallii var. major Hook. Viola nuttallii ssp. linguifolia (Nutt.) Piper Viola praemorsa var. altior Blank. Viola praemorsa ssp. arida M.S.Baker Viola praemorsa ssp. linguifolia (Nutt.) M.S.Baker Viola praemorsa var. linguifolia (Nutt.) M.Peck Viola praemorsa ssp. major (Hook.) M.S.Baker Viola praemorsa var. major (Hook.) M.Peck Viola praemorsa ssp. oregona M.S.Baker Viola vallicola var. major (Hook.) Fabijan Viola xylorrhiza Suksd. |
| Territory | 7 Northern America 71 Western Canada (ABT Alberta) 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming) 76 Southwestern U.S.A. (CAL California, NEV Nevada, UTA Utah) |