Clematis columbiana var. columbiana

Synonyms: Clematis pseudoalpina (Kuntze) A.Nelson
Treatment appears in FNA Volume 3.

Aerial stems viny, climbing or trailing, 0.5-1.5(-3.5) m. Leaf blade 2-3-ternate; leaflets mostly lanceolate to ovate, few-lobed, lobes often over 5 mm wide, thin, margins serrate. Flowers: sepals violet-blue, rarely white, 2.5-6 cm.

Phenology: Flowering spring–early summer(-fall).
Habitat: Rocky, open woods and thickets
Elevation: 1700-3200 m


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Ariz., Colo., Idaho, Mont., N.Mex., Tex., Utah, Wyo.


Clematis columbiana var. columbiana flowers in early summer at high elevations and occasionally flowers in fall on new growth. The taxon was erroneously included in C. alpina Linnaeus by D.S. Correll and M.C. Johnston (1970).

Selected References


Lower Taxa

James S. Pringle +
(Nuttall) Torrey & A. Gray +
Atragene columbiana +
Ariz. +, Colo. +, Idaho +, Mont. +, N.Mex. +, Tex. +, Utah +  and Wyo. +
1700-3200 m +
Rocky, open woods and thickets +
Flowering spring–early summer(-fall). +
Fl. N. Amer. +
Endemic +  and Illustrated +
Clematis pseudoalpina +
Clematis columbiana var. columbiana +
Clematis columbiana +
variety +