Clematis orientalis
Oriental clematis, Oriental virginsbower

Distribution: Known from Yakima County in Washington; also known from the Columbia River Gorge area in Oregon, and other scattered locations in southwestern North America.

Habitat: Disturbed open areas at low elevations.

Flowers: June-July

Origin: Introduced

Conservation Status: Not of concern


Stems viny, typically climbing, 2-8 m long.


Blade pinnately 5 or 7 times foliolate, margins entire or crenate-serrate, however, toothing may be coarsely few; proximal leaflets occasionally 3 times foliolate; leaflets lanceolate to elliptic/ovate, 2 or 3 lobed proximally, 1-5.5 x 0.5-3.5 cm long.


Flowers bisexual; sepals wide-spreading and recurved, greenish-yellow, ovate-lanceolate to elliptic, margins densely pubescent: abaxially and adaxially pubescent or abaxially glabrous; stamens number from 20-40, staminodes absent. pistils number 75-150; Inflorescences axillary and sometimes terminal, 3 to many - flowered cymes or solitary.


Achenes turgid, not conspicuously rimmed and pilose; beaks 2-5 cm long.

Accepted Name:
Clematis orientalis L.
Publication: Sp. Pl. 1: 543. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Clematis orientalis in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Clematis orientalis checklist entry.

E-Flora BC: Clematis orientalis atlas page.

CalPhotos: Clematis orientalis photos.

USDA Plants: Clematis orientalis information.

0 photographs:
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