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Montana Field Guide

Montana Field Guides

Field Locoweed - Oxytropis campestris

Native Species

Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

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General Description
Acaulescent. Herbage appressed-villous. Leaflets 7 to 29, lanceolate, 3–23 mm long. Stipules membranous, adnate to the petiole, villous. Inflorescence of 3 to 40 flowers, 4–40 cm long including the peduncle. Flowers white to ochroleucous; calyx white-villous to black-strigose; sepals lanceolate, 1–3 mm long; banner 10–20 mm long. Legume erect, sessile, 1–2 cm long, white- and/or black-pilose; walls up to 0.5 mm thick, papery when dry (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Montana plants are varieties columbiana (H. St. John) Barneby, var. cusickii (Greenm.) Barneby, and var. spicata Hook.

Species Range
Present
 


Range Comments
Circumboreal south to WA, CO and ND (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 11

(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 soil of grasslands, gravel bars, fellfields; valleys to alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Additional ReferencesLegend:   View Online Publication
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    • Lesica, P. 1988. The occurrence and taxonomic status of Oxytropis campestris var. Columbiana in Montana. Unpublished report.
    • 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:
Field Locoweed — Oxytropis campestris.  Montana Field Guide.  .  Retrieved on , from