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Montana Field Guide

Montana Field Guides

Western Pasqueflower - Anemone occidentalis
Other Names:  Pulsatilla occidentalis

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Native Species

Global Rank: G5
State Rank: S4?
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Stems from a caudex, long-hairy,10–60 cm, increasing with maturity. Leaves long-hairy; the blades 2–8 cm long, 2 to 3 times ternate to pinnate; ultimate segments narrowly triangular, 1–3 mm wide. Inflorescence 1-flowered subtended by 3 petiolate bracts similar to the basal leaves. Flowers with 5 to 7, white (tinged with blue) sepals, 2–3 cm long. Achenes long-hairy, 3–4 mm long, in an ovoid head 2–8 cm high; beaks plumose, expanding to 2–4 cm at maturity, reflexed down (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
BC, AB south to CA, ID, and MT (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 161

(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
Meadows, open forest where there is good snow cover; subalpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).


References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • King, C. R. 1953. The Ranunculaceae of Montana. M.S. Thesis, Bozeman, MT: Montana State College. 82 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Western Pasqueflower"
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Citation for data on this website:
Western Pasqueflower — Anemone occidentalis.  Montana Field Guide.  .  Retrieved on , from