Vascular Plants - Violaceae - Viola:
Page Author: David Giblin
Viola tricolor
Blooms: April - September
Habit: herb
Duration: annual
Origin: Introduced
Distribution: Garden escape in scattered locations throughout Washington; similarly escaped throughout most of North America.
Habitat: Disturbed areas near cultivated setting in towns and cities.
Species Description:

General: Variable, glabrous or puberulent, annual or biennial, low or short plant.
Leaves: Leaves oval to broadly lanceolate, mostly basal; stipules leaf-like, pinnately lobed, the end lobe longer.
Flowers: Flowers 10-25 mm. long, the spur long; petals violet or yellow or both, longer than the sepals.
Fruits: Fruit a 3-valved capsule, ovary superior, placentation parietal.
Accepted Name:
Viola tricolor L.
Synonyms:
(none)

Treated in Flora of the PNW as:
(not treated in H&C)
Additional Resources:

PNW Herbaria Specimens: View list of Viola tricolor specimens in the Consortium of Pacific Northwest Herbaria database.

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

Washington Flora Checklist: Viola tricolor treatment.

E-Flora BC: Viola tricolor atlas page.

CalPhotos: Viola tricolor images.

USDA Plants Database: Viola tricolor.
Additional photographs of Viola tricolor:
(click on a thumbnail to view larger photo)

Ben Legler, 2003

Ben Legler, 2003

G. D. Carr, 1983

G. D. Carr, 1985

G. D. Carr, 1985
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Washington Native Plant Society
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