Contains 12 accepted taxa overall.
Characteristics
Classification
Citation
VIOLA Linnaeus, Sp. Pl. 933. 1753.
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TYPE: Viola odorata Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 546. 1913.
Species
| Scientific Name | Common Name | Status | Photos |
|---|---|---|---|
| Viola cucullata | MARSH BLUE VIOLET | Native | |
| Viola inconspicua | LONG SEPAL VIOLET; CHINESE VIOLET | Not Native | |
| Viola labradorica | AMERICAN DOG VIOLET | Not Native FAC (NWPL) | |
| Viola lanceolata | BOG WHITE VIOLET | Native OBL (NWPL) OBL (DEP) | |
| Viola palmata | EARLY BLUE VIOLET | Native FACU (NWPL) FACW (DEP) | |
| Viola primulifolia | PRIMROSELEAF VIOLET | Native FACW (NWPL) FACW (DEP) | |
| Viola rafinesquei | FIELD PANSY | Native FAC (NWPL) | |
| Viola sororia | COMMON BLUE VIOLET | Native FAC (NWPL) FACW (DEP) | |
| Viola tricolor | JOHNNY-JUMPUP | Not Native | |
| Viola tripartita | THREEPART VIOLET | Native Endangered-State FACU (NWPL) | |
| Viola villosa | CAROLINA VIOLET | Native FACU- (NWPL) | |
| Viola walteri | PROSTRATE BLUE VIOLET | Native |
[Family identification key]
1. Plant caulescent
2
1. Plant acaulescent
6
2. Stipules usually entire; corolla yellow with dark veins especially on the lower petal
2. Stipules pectinate or lobed; corolla white to blue to purple
3
3. Stipules deeply lobed
4
3. Stipules pectinate
5
4. Corolla pale violet with darkened branched veins especially on the lower 3 petals
4. Corolla variable (e.g. white, yellow, red, violet in various combinations) with darkened unbranched streaks especially on the lower 3 petals
5. Aerial stems ascending to erect, not rooting at nodes; leaf blades venation generally concolorous with rest of blade
5. Aerial stems stoloniferous; leaf blades often with darkened venation
6. Corolla mostly white with a yellow throat and darkened veins on the lower petal
7
6. Corolla mostly pale blue to violet with a white to pale yellowish white throat and darkened veins on the lower petal
8
7. Leaf blades linear to lanceolate, (2-)2.8-25 times longer than wide, the base generally gradually tapered
7. Leaf blades narrowly ovate to ovate-deltate, 1.5–2.5 times longer than wide, the base mostly abruptly rounded to subcordate and then often tapering
8. Inner leaf blades cleft, deeply toothed, or lobed (outer leaf blades sometimes undivided)
8. Leaf blades all undivided
9
9. Leaf blades not densely pubescent throughout
9. Leaf blades densely pubescent throughout