Viola adunca var. adunca

(Blue Violet)

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Viola adunca var. adunca, Lake Dillon, Summit Co. 5014

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Viola adunca var. adunca, Lake Dillon, Summit Co. 5031

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Viola adunca var. adunca, Mayflower Lake, Summit Co. 9249

Scientific Name Viola adunca var. adunca USDA PLANTS Symbol VIADA
Common Name Blue Violet, Hook-spur Violet ITIS Taxonomic Serial No. 22033
Family Violaceae (Violet) SEINet
Reference
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Description Life zones and habitat: Montane to alpine (6500 to 13500 ft.); moist ravines and open areas in meadows and woodlands.
Plant: Low-growing, leafy perennial 1-3/4 to 12 inches tall, stemless early, developing stems later in season.
Leaves: Basal and stem leaves with short hairs, oval to heart-shaped, 3/8 to 1-5/8 inches long; petioles 1/4 to 2-3/4 inches long; finely-toothed edges.
Inflorescence: Blue to purple flowers on peduncles 1-1/4 to 5-1/2 inches long; blossoms less than 1 inch across, prominent spur on back; petals usually whitish at base with purple veins; hairs on side petals.
Bloom Period: May to August.
References: "Flora of Colorado" by Jennifer Ackerfield, "A Guide to Rocky Mountain Plants" by Nelson and Williams, "The Alpine Flora of the Rocky Mountains" by Richard W. Scott and Flora of North America.
BONAP Distribution Map
Viola adunca

Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County