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Montana Field Guide

Montana Field Guides

Western Polemonium - Polemonium occidentale


Global Rank: G5?
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 6

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General Description
Rhizomatous perennial. Stems erect, simple, not tufted, 20–80 cm. Herbage glabrate below, sparsely glandular-pubescent above. Leaves long-petiolate, 5–20 cm long; blades with 11 to 27 lanceolate, entire leaflets, 1–5 cm long. Inflorescence a terminal, leafy-bracted cyme. Flowers: calyx 5–8 mm long; corolla campanulate, tube 4–7 mm long with a ring of hairs at the level of filament insertion, lobes 5–9 mm long; stamens ca. as long as corolla; style exserted. Capsule 3–5 mm enclosed in the calyx (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AK to CA, NV, UT and MN (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 3

(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
Wet meadows, thickets, open forest, often along streams; valleys to subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Western Polemonium — Polemonium occidentale.  Montana Field Guide.  .  Retrieved on , from