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Montana Field Guide

Montana Field Guides

Western Wallflower - Erysimum capitatum

Native Species

Global Rank: G5
State Rank: S4

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

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General Description
Biennial or short-lived perennial; the caudex often clothed in old leaf bases. Stems erect, usually simple, 5–50 cm. Leaves linear to narrowly oblanceolate, 2–8 cm long with entire to dentate margins. Petals 13–25 mm long, sometime orangish. Fruits ascending, 4-angled, 4–10 cm × 1–2 mm; pedicels ascending, 3–8 mm long; style 1–4 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Year-round
 


Range Comments
BC to SK south to CA, TX, Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 21

(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
Stony or sandy soil of grasslands, woodlands, meadows, fellfields, roadsides; valleys to alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Ecology
POLLINATORS
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus appositus, Bombus bifarius, Bombus centralis, Bombus rufocinctus, Bombus sylvicola, Bombus occidentalis, Bombus insularis, Bombus suckleyi, and Bombus kirbiellus (Macior 1974, Miller-Struttmann and Galen 2014).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Macior, L.M. 1974. Pollination ecology of the Front Range of the Colorado Rocky Mountains. Melanderia 15: 1-59.
    • Miller-Struttmann, N.E. and C. Galen. 2014. High-altitude multi-taskers: bumble bee food plant use broadens along an altitudinal productivity gradient. Oecologia 176:1033-1045.
  • Additional ReferencesLegend:   View Online Publication
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    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
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Citation for data on this website:
Western Wallflower — Erysimum capitatum.  Montana Field Guide.  .  Retrieved on , from