Clematis
clematis, virgins-bower
5 species
3 subspecies and varieties
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Clematis hirsutissimaDouglas's clematis, leatherflower, sugarbowls, vaseflower
Distribution: Occurring in only a few counties in central and eastern Washington; Washington south to Oregon, east to Montana, south to Arizona and New Mexico.
Habitat: Meadows, grasslands, and forest openings.
Origin: Native
Flowers: May-June
var. hirsutissima – Douglas' clematis
Clematis ligusticifoliawestern clematis
Distribution: Chiefly east of the Cascades crest in Washington; British Columbia south to California, east to Oklahoma and the Dakotas.
Habitat: River valleys and sagebrush desert to ponderosa pine forests.
Origin: Native
Flowers: June-September
Clematis occidentalisColumbia clematis, rock clematis, Columbia virgins-bower
Distribution: East of the Cascades in Washington; British Columbia south to Oregon, east to Saskatchewan and Wyoming.
Habitat: Often in deep, fine soils in shady forest, also in cliffs and other rocky sites in open woods and thickets, at moderate to high elevations in the mountains.
Origin: Native
Flowers: May-July
var. dissecta – Columbia clematis
var. grosseserrata – Columbia clematis
Clematis orientalisOriental 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.
Origin: Introduced
Flowers: June-July
Clematis vitalbaevergreen clematis, old-man's beard, traveler's-joy
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to Oregon, also in scattered locations in eastern North America.
Habitat: Forest edge, hillsides, parks, wastelots, and other disturbed sites.
Origin: Introduced; native to Europe and Africa
Flowers: June-September