Page authors: Don Knoke, David Giblin
Vinca major
greater periwinkle
Specimens
Photos

Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; British Columbia to California, east to Idaho, Utah, and Arizona,

Habitat: Disturbed forest understory and edge, roadsides, wastelots, and other disturbed areas at low elevations.

Flowers: June-August

Origin: Introduced from Europe

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees, flies

Description:
General:

Glabrous, perennial herbs with milky juice, the branches 1-3 dm. long, often trailing and rooting.

Leaves:

Leaves opposite, long-petiolate, ovate to ovate-lanceolate, 3-9 cm. long, with fine hairs along the margins.

Flowers:

Flowers solitary in the leaf axils, on long pedicels; calyx divided nearly to the base, the 5 lobes linear, with short bristles on the margins; corolla blue, with long, narrow tube and 5 widely-spreading, truncate lobes, 3-5 cm. broad; tube about 2 cm. long, crested and hairy in the throat; stamens 5, attached below the throat, the filaments short; style elongate, the stigma ovoid, tapering to a truncate apex; ovary superior.

Fruits:

Follicles 3-5 cm. long.

Accepted Name:
Vinca major L.
Publication: Sp. Pl. 1: 209. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Vinca major in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Vinca major checklist entry.

OregonFlora: Vinca major information.

E-Flora BC: Vinca major atlas page.

CalPhotos: Vinca major photos.

USDA Plants: Vinca major information.

23 photographs:
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