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Viola adunca
Viola adunca Sm.
Hooked-spur Violet, Western Blue Violet, Western Dog Violet
Violaceae (Violet Family)
Synonym(s):
USDA Symbol: viad
USDA Native Status: L48 (N), AK (N), CAN (N)
A small plant with pansy-like bluish-violet flowers that hang at tips of slender stalks.
Violets are very popular wildflowers and garden plants, romantically described as "shrinking" because of the way the petals fold in. Species are often difficult to identify as they may hybridize, producing intermediate forms. These hybrids, in turn, may reproduce by means of inconspicuous flowers at the base of the plant, often even underground, producing seeds without opening.
Plant Characteristics
Duration: PerennialHabit: Herb
Leaf Complexity: Simple
Fruit Type: Capsule
Size Notes: Up to about 14 inches tall.
Bloom Information
Bloom Color: Blue , PurpleBloom Time: Apr , May , Jun , Jul , Aug
Distribution
USA: AK , AZ , CA , CO , IA , ID , MA , ME , MI , MN , MT , ND , NH , NM , NV , NY , OR , SD , UT , VT , WA , WI , WYCanada: AB , MB , NB , NS , ON , PE , SK
Native Distribution: Canada; south to southern California, Arizona, New Mexico, the northern Great Plains.
Native Habitat: Meadows, open woods, and open slopes from sea level to timberline.
Growing Conditions
Light Requirement: ShadeSoil Moisture: Dry , Moist
Soil Description: Sandy
Benefit
Use Food: Violet leaves contain more vitamin A than spinach, and one-half cup of violet leaves has as much vitamin C as four oranges. (Kershaw)Conspicuous Flowers: yes
Fragrant Flowers: yes
Butterflies and Moths of North America (BAMONA)
Zerene Fritillary (Speyeria zerene) ![]() Larval Host |
Great Basin Fritillary (Speyeria egleis) ![]() Larval Host |
Hydaspe Fritillary (Speyeria hydaspe) ![]() Larval Host |
Mormon Fritillary (Speyeria mormonia) ![]() Larval Host |
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | FAC | FAC | FACU | FAC | FACU | FAC |
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Native Seed Network - Corvallis, OR
Bibliography
Bibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright
Search More Titles in Bibliography
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Additional resources
USDA: Find Viola adunca in USDA PlantsFNA: Find Viola adunca in the Flora of North America (if available)
Google: Search Google for Viola adunca
Metadata
Record Modified: 2023-01-02Research By: TWC Staff