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Montana Field Guide

Montana Field Guides

Purple Clematis - Clematis occidentalis
Other Names:  Clematis columbiana [misapplied]


Global Rank: G5
State Rank: S4S5
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value:

External Links






State Rank Reason (see State Rank above)
Common and widespread in western and central Montana.
 
General Description
Stems limber, to 2 m long, often climbing. Leaf blades sparsely long-hairy, divided into 3 cordate-lanceolate leaflets, 2–7 cm long with obscurely toothed margins. Flowers bell-shaped, perfect, nodding, solitary from leaf nodes; sepals blue, 2–5 cm long. Achene beaks 2–5 cm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
BC to NB south to OR, UT, CO, and OH (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 24

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Open to closed forest, thickets, often along streams, occasionally on talus; valleys, montane, occasionally higher (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Purple Clematis — Clematis occidentalis.  Montana Field Guide.  .  Retrieved on , from