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Vascular Plants, Macrofungi, & Lichenized Fungi of Washington

Vascular Plants » Dicots » Ranunculaceae » Clematis » Clematis occidentalis:

Page authors: David Giblin, Kevin Armitano

Clematis occidentalis var. dissecta

Columbia clematis

Image © Jim Riley

Specimens

Photos

Distribution: Endemic to Wenatchee Mountains and nearby ranges, Chelan, Kittitas, Okanogan Counties, Washington.

Habitat: Slopes and forest openings from foothills to moderate elevations in the mountains.

Flowers: May-July

Origin: Native

Conservation Status: Not of concern

Description:

General:

Stems are short and tufted or, if viny, up to 0.5(-1.5)m long.

Leaves:

Leaves lobed with crenate-serrate leaflets 15-6.5(-9) cm long, terminal, usually deeply lobed or ternate.

Flowers:

Sepals moderately divergent; oftentimes reddish violet-deep violet or less frequently violet-blue, lance-ovate, 2.5-4.5(-6)cm long, margins not fluted, tips acute to acuminate.

Accepted Name:

Clematis occidentalis (Hornem.) DC. var. dissecta (C.L. Hitchc.) J.S. Pringle
Publication: Brittonia. 23: 371. 1971. 1971.

Synonyms & Misapplications:

Clematis columbiana (Nutt.) Torr. & A. Gray var. dissecta C.L. Hitchc. [HC]

Additional Resources:

PNW Herbaria: Specimen records of Clematis occidentalis var. dissecta in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Clematis occidentalis var. dissecta checklist entry.

E-Flora BC: Clematis occidentalis var. dissecta atlas page.

CalPhotos: Clematis occidentalis var. dissecta photos.

USDA Plants: Clematis occidentalis var. dissecta information.

14 photographs:

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