Page authors: David Giblin, Don Knoke
Vicia villosa
hairy vetch, winter vetch, woolly vetch
WTU specimens
Other herbaria
WTU images

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.

Habitat: Roadsides, meadows, grasslands, prairies, and other disturbed open areas.

Flowers: May-September

Origin: Introduced from Eurasia and North Africa

Conservation Status: Not of concern

Description:
General:

Copiously villous annual, the stem 0.5-2 m. tall, clambering.

Leaves:

Leaves pinnate; leaflets 10-20, linear-lanceolate to narrowly oblong, 1.5-2 cm. long; stipules entire to toothed, 5-12 mm. long; tendrils well developed.

Flowers:

Inflorescence of 20- to 60-flowered, dense, one-sided racemes, on long, axillary peduncles; flowers 15-18 mm. long, reddish-purple to violet; calyx less than half the length of the corolla, the tube 2.5-4 mm. long, very strongly gibbous at the base, the pedicel attached just under the bulge; upper 2 calyx teeth triangular-based but prolonged to a slender tip; lower 3 linear and about equal to the tube; style densely bearded at the tip.

Fruits:

Pod 2-3 cm. long and 6-10 mm. broad, several seeded.

Accepted Name:
Vicia villosa Roth
Publication: Tent. Fl. Germ. 2(2): 182. 1793.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. glabrescens – hairy vetch, winter vetch, woolly vetch    Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; Washington to California, also in Montana, and more common in central and eastern North America.
var. villosa – hairy vetch, winter vetch, woolly vetch    Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Additional Resources:

PNW Herbaria: Specimen records of Vicia villosa in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Vicia villosa checklist entry.

E-Flora BC: Vicia villosa atlas page.

CalPhotos: Vicia villosa photos.

USDA Plants: Vicia villosa information.

46 photographs:
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