Vascular Plants - Violaceae - Viola:
Viola adunca
Page Author: David Giblin
hookedspur violet, early blue violet 
Blooms: April - August
Habit: herb
Duration: perennial
Origin: Native
Distribution: Throughout North America, common in the Pacific Northwest
Habitat: Dry to moist meadows and open woods, moderate to high elevations in the mountains
Species Description:

General: Glabrous to densely puberulent perennial from slender rhizomes, from stemless to 10 cm. tall.
Leaves: Leaves short- to long-petiolate, the blade cordate-ovate to lance-ovate, with fine, rounded teeth, 1-3 cm. long; stipules liner-lanceolate, 3-10 mm. long, entire to remotely slender-toothed.
Flowers: Flowers 5-15 mm. long, the spur on the lowest petal slender, over half the length of the petal; petals blue to deep violet, the lower three with a whitish base penciled in violet, the lateral pair white-bearded; style head bearded with thick hairs.
Fruit: Fruit a 3-valved capsule, ovary superior, placentation parietal.
Subspecies & Varieties:
Viola adunca var. adunca
Viola adunca ssp. adunca
Full Name with Authors:
Viola adunca Sm.

Synonyms:
(none)

Treated in Flora of the PNW as:
Viola adunca
Additional Resources:

WTU Herbarium Specimens: View list of Viola adunca specimens in the WTU Herbarium database.

Washington Flora Checklist: Viola adunca treatment.

Oregon Flora Project Atlas: Viola adunca atlas page.

E-Flora BC: Viola adunca atlas page.

CalPhotos: Viola adunca images.

USDA Plants Database: Viola adunca.

Image © 2004, Ben Legler


All photographs of Viola adunca:
(click on a thumbnail to view larger photo)
 
 
 
 
 
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Washington Native Plant Society
WA Native Plant Society