| Family | VIOLACEAE |
| Genus species | Viola praemorsa Douglas |
| Bibliography | Edwards‘s Bot. Reg. 15: t. 1254 (1829) |
| Native Range | sw. British Columbia to California |
| Primary Biome | Temperate |
| Habitat | grassland and thickets |
| Altitude | 100-3500m |
| Description | villose, leaves ovate or oblong-ovate, cordate, obtuse, crenate, 25-50mm long, petals 10-15mm long, three lower petals brown-purple striate, lateral petals barbate |
| Size | 5-30cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, semi-shady site alpine house, moist, rich, drained soil, semi-shade |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 13-16°C division after flowering and in fall |
| Synonyms | Viola erectifolia A.Nelson Viola nuttallii ssp. praemorsa (Douglas) Piper Viola nuttallii var. praemorsa (Douglas) S.Watson |
| Territory | 7 Northern America 71 Western Canada (BRC British Columbia) 73 Northwestern U.S.A. (ORE Oregon, WAS Washington) 76 Southwestern U.S.A. (CAL California) |