| Family | VIOLACEAE |
| Genus species | Viola nephrophylla Greene sect. Viola |
| Synonyms | Viola arizonica Greene |
| Viola cognata Greene | |
| Viola vagula Greene | |
| Habitat | bogs, marshes |
| Altitude | 100-3000m |
| Description | acaulescent, glabrous, leaves long petiolate, broadly cordate to reniform, 2-5cm wide, shallowly crenate, stipules lanceolate, acute, sepals lanceolate, petals 10-15mm |
| Size | 5-15cm |
| Color | violet, blue |
| Bloom | spring |
| Ca | |
| Type | tuft |
| Cultivation | very moist to boggy, semi-shady site alpine house, moist, humous, sandy soil, semi-shade |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 13-16°C division after flowering and in fall |
| Territory |
Northern America
Subarctic America (Nunavut , Northwest Territories , Yukon ) Western Canada (Alberta , British Columbia , Manitoba , Saskatchewan ) Eastern Canada (New Brunswick , Newfoundland , Nova Scotia , Ontario , Prince Edward I. , Québec ) Northwestern U.S.A. (Colorado , Idaho , Montana , Oregon , Washington , Wyoming ) North-Central U.S.A. (Illinois , Iowa , Kansas , Minnesota , North Dakota , Nebraska , South Dakota , Wisconsin ) Northeastern U.S.A. (Connecticut , Maine , Masachusettes , Michigan , New Hampshire , New York , Ohio , Pennsylvania , Vermont , West Virginia ) Southwestern U.S.A. (Arizona , California , Nevada , Utah ) South-Central U.S.A. (New Mexico , Texas ) Southeastern U.S.A. (Arkansas ) Mexico (Mexico Northeast , Mexico Northwest) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | VIOLACEAE
|