Rock Garden Plants
Clematis  columbiana (Nutt.) Torr. & A.Gray   
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FamilyRANUNCULACEAE
Genus species var.Clematis  columbiana (Nutt.) Torr. & A.Gray 
SynonymsAtragene columbiana Nutt. (basionym)
 Clematis pseudoalpina (Kuntze) A.Nelson
 Clematis pseudoatragene Kuntze
Territory Northwestern U.S.A.North-Central U.S.A.Southwestern U.S.A.South-Central U.S.A.
grassland and thickets
Altitude1700-3200m
Description leaves ternate, leaflets ovate to ovate-lanceolate, 3-6cm long, entire to disected, flowers solitary, terminal, sepals lanceolate, 3-6cm long
Size1-3m
Colorblue
Bloomlate spring, summer
Ca
Typeliane
Cultivationmesic, slightly humous, semi-shady site
Propagationseed in winter, germ. 3-12 months, 13-18°C
half ripe cuttings in early summer
BibliographyFlora of North America www.eFloras.org
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý