| Family | VIOLACEAE |
| Genus species | Viola sororia Willd. sect. Viola |
| Bibliography | Hort. Berol. 1: 72 (1806) |
| Native Range | Canada to USA and e. Mexico |
| Primary Biome | Temperate |
| Habitat | grassland and thickets |
| Altitude | 0-3000m |
| Description | glabrous or sparsely pubescent, leaves reniform-cordate, acute, crenate-serrate, flowers with white eye, lower petals barbate |
| Size | 5-10cm |
| Color | violet |
| Bloom | spring |
| 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 alachuana Murrill Viola allardii Greene Viola cucullata var. alba Torr. & A.Gray Viola cucullata var. glaberrima Ging. Viola cucullata var. sororia (Willd.) Torr. & Gray Viola cuspidata Greene Viola domestica f. alba Farw. Viola laetecaerulea Greene Viola nodosa Greene Viola palmata var. sororia (Willd.) Pollard Viola papilionacea var. alba (Torr. & A.Gray) Farw. Viola papilionacea f. albiflora Grover Viola papilionacea var. domestica Pollard Viola papilionacea f. michaelii Creutz Viola sororia f. beckwithiae House Viola sororia var. incognita J.Lacey Viola sororia f. pallida F.Seym. Viola wilmatteae Pollard & Cockerell |
| Territory | 7 Northern America 71 Western Canada (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, MNT Montana) 74 North-Central U.S.A. (ILL Illinois, IOW Iowa, KAN Kansas, MIN Minnesota, MSO Missouri, NDA North Dakota, NEB Nebraska, OKL Oklahoma, SDA South Dakota, WIS Wisconsin) 75 Northeastern U.S.A. (CNT Connecticut, INI Indiana, MAI Maine, MAS Masachusettes, MIC Michigan, NWH New Hampshire, NWJ New Jersey, NWY New York, OHI Ohio, PEN Pennsylvania, RHO Rhode I., VER Vermont, WVA West Virginia) 76 Southwestern U.S.A. (UTA Utah) 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) 78 Southeastern U.S.A. (ALA Alabama, ARK Arkansas, DEL Delaware, FLA Florida, GEO Georgia, KTY Kentucky, LOU Louisiana, MRY Maryland, MSI Mississippi, NCA North Carolina, SCA South Carolina, TEN Tennessee, VRG Virginia, WDC District of Columbia) 79 Mexico (MXE Mexico Northeast, MXG Mexico Gulf) |