Clematis columbiana var. tenuiloba

(A. Gray) J. S. Pringle

Brittonia 25: 382. 1971.

EndemicSelected by author to be illustrated
Basionym: Clematis alpina var. occidentalis (Hornemann) A. Gray subvar. tenuiloba A. Gray in H.Newton and W.P. Jenney, Rep. Geol. Resources Black Hills, 531. 1880
Synonyms: Clematis tenuiloba (A. Gray) C.L. Hitchcock
Treatment appears in FNA Volume 3.
Revision as of 19:51, 24 September 2019 by FNA>Volume Importer

Stems mainly subterranean, rhizomatous, aerial stems not viny, mostly less than 0.1 m (to 1.5 m in forms transitional to var. columbiana), tufted. Leaf blade mostly 3-ternate, ± succulent; leaflets or lobes mostly 1.5-5 mm wide. Flowers: sepals violet-blue, 1.5-5 cm. 2n = 16.


Phenology: Flowering late spring–early summer.
Habitat: Cliffs, rocky summits, usually in open sites or open pine forest
Elevation: 1000-3000 m

Distribution

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Colo., Mont., N.Dak., S.Dak., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
James S. Pringle +
(A. Gray) J. S. Pringle +
Clematis alpina var. occidentalis +
Colo. +, Mont. +, N.Dak. +, S.Dak. +, Utah +  and Wyo. +
1000-3000 m +
Cliffs, rocky summits, usually in open sites or open pine forest +
Flowering late spring–early summer. +
Endemic +  and Selected by author to be illustrated +
Clematis tenuiloba +
Clematis columbiana var. tenuiloba +
Clematis columbiana +
variety +