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Species Details
Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium Read more about this collection »
LeavesBasal, egg- to lance-shaped,1-6.5 cm long and 0.8-3 cm wide, margins entire or slightly wavy, smooth to somewhat hairy; stem leaves few, similiar; stipules fused, free portion entire to few-toothed
FlowersInflorescence solitary; flowers bilaterally symmetric; sepals 5, lance-shaped, 4-7 mm long; petals 5, bright yellow, lower petal 1.2-2 cm long, lower 3 petals veined with dark brown to brownish-purple, the lateral pair bearded; stamens 5; pistils 1, ovary superior
Fruits and SeedsCapsule, elliptic-egg-shaped, 6-9 mm long, smooth; seeds light brown, 2-2.5 mm long
Scientific Name
Viola vallicola A. Nelson
Common Name
yellow prairie violet
General Description
A perennial herb that may appear stemless but has leafy stems that grow from a stout rootstock reaching a height of 6-15 cm tall.
Leaves
Basal, egg- to lance-shaped,1-6.5 cm long and 0.8-3 cm wide, margins entire or slightly wavy, smooth to somewhat hairy; stem leaves few, similiar; stipules fused, free portion entire to few-toothed
Flowers
Inflorescence solitary; flowers bilaterally symmetric; sepals 5, lance-shaped, 4-7 mm long; petals 5, bright yellow, lower petal 1.2-2 cm long, lower 3 petals veined with dark brown to brownish-purple, the lateral pair…
Inflorescence solitary; flowers bilaterally symmetric; sepals 5, lance-shaped, 4-7 mm long; petals 5, bright yellow, lower petal 1.2-2 cm long, lower 3 petals veined with dark brown to brownish-purple, the lateral pair bearded; stamens 5; pistils 1, ovary superior
Fruits and Seeds
Capsule, elliptic-egg-shaped, 6-9 mm long, smooth; seeds light brown, 2-2.5 mm long
Phenology
Flowering May to June.
Notes
2n=12
Similar species: Viola nuttallii var. linguaefolia: has broader leaves and are long hairy.
Range/Distribution
Alberta. CAN (BC, SK, MB); USA (WA, OR, CA, ID, NV, MT, WY, UT, AZ, ND, SD, KS, CO).
Citation
Page Citation for Viola vallicola A. Nelson
Page Citation
"Species Details - Viola vallicola A. Nelson, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-19715/12-169148. Accessed 29 Jan. 2025.
Specimen Information
There are 47 specimens of this Species.
130631 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Medicine Hat
Date Collected1966-05-12
130632 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Ross Lake
Date Collected1985-05-23
134960 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Palmer Property
Date Collected2009-06-13
137727 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Witt Property
Date Collected2010-07-04
108711 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Brocket
Date Collected1982-05-20
38406 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park, Maskinonge Lake
Date Collected1967-06-07
72084 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Cypress Hills Provincial Park
Date Collected1974-06-06
12790 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Cypress Hills Provincial Park, Elkwater Lake
Date Collected1952-05-31
62116 - Viola vallicola A. Nelson; Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet; yellow prairie violet
Place CollectedNorth America: Canada, Alberta, Pincher Station
Date Collected1942-05-07
46170 - Viola vallicola A. Nelson; Viola nuttallii Pursh
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park, Blakiston Creek
Date Collected1972-05-24
62115 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Saskatchewan, Saskatoon
Date Collected1937-05-16
12791 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Cypress Hills
Date Collected1945-06-13
62126 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Nose Hill
Date Collected1951-05-17
62125 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Nose Hill
Date Collected1951-05-31
62122 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Calgary
Date Collected1945-06-17
62117 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Calgary
Date Collected1945-05-30
62119 - Viola vallicola A. Nelson; Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet; yellow prairie violet
Place CollectedNorth America: Canada, Alberta, Calgary
Date Collected1945-05-28
62118 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Calgary
Date Collected1945-05-28
72035 - Viola nuttallii Pursh; Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, St. Mary Reservoir
Date Collected1974-06-10
62124 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Calgary
Date Collected1949-06-04
62123 - Viola vallicola A. Nelson
University of Alberta Vascular Plant Herbarium
Common Nameyellow prairie violet
Place CollectedNorth America: Canada, Alberta, Calgary
Date Collected1945-05-31