| Family | VIOLACEAE |
| Genus species | Viola nephrophylla Greene sect. Viola |
| Bibliography | Pittonia 3: 144 (1896) |
| Native Range | Subarctic America to n. Mexico |
| Primary Biome | Temperate |
| 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 | 5-45cm |
| Color | violet, blue |
| Bloom | spring |
| Ca | |
| Type | perennial |
| 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 |
| Synonyms | Viola arizonica Greene Viola austinae Greene Viola cognata Greene Viola cyclophylla Greene Viola eucycla Greene Viola galacifolia Greene Viola lunellii Greene Viola maccabeiana M.S.Baker Viola nephrophylla f. albinea Farw. Viola nephrophylla var. arizonica (Greene) Kearney & Peeble Viola nephrophylla f. bicolor B.Boivin Viola nephrophylla var. cognata (Greene) C.L.Hitchc. Viola peramoena Greene Viola subjuncta Greene Viola subrotunda Greene Viola vagula Greene |
| Territory | 7 Northern America 70 Subarctic America (NUN Nunavut, NWT Northwest Territories, YUK Yukon) 71 Western Canada (ABT Alberta, BRC British Columbia, MAN Manitoba, SAS Saskatchewan) 72 Eastern Canada (NBR New Brunswick, NFL Newfoundland, NSC Nova Scotia, ONT Ontario, PEI Prince Edward I., QUE Québec) 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming) 74 North-Central U.S.A. (ILL Illinois, IOW Iowa, KAN Kansas, MIN Minnesota, NDA North Dakota, NEB Nebraska, SDA South Dakota, WIS Wisconsin) 75 Northeastern U.S.A. (CNT Connecticut, MAI Maine, MAS Masachusettes, MIC Michigan, NWH New Hampshire, NWY New York, OHI Ohio, PEN Pennsylvania, VER Vermont, WVA West Virginia) 76 Southwestern U.S.A. (ARI Arizona, CAL California, NEV Nevada, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) 78 Southeastern U.S.A. (ARK Arkansas) 79 Mexico (MXE Mexico Northeast, MXN Mexico Northwest) |