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Montana Animal Field Guide

Montana Field Guides

Hare's-foot Locoweed - Oxytropis lagopus


Global Rank: G4G5
State Rank: S3
* (see State Rank Reason below)

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

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State Rank Reason (see State Rank above)
Scattered across a wide area of the state, nowhere common within its habitats. Regional endemic species with three regionally endemic varieties.
 
General Description
Acaulescent. Herbage silky-sericeous with mostly long, white hairs. Leaflets 7 to 15, lanceolate, 5–15 mm long. Stipules membranous, adnate to the petiole, pilose, basally connate. Inflorescence of 5 to 20 flowers, 5–12 cm high including the peduncle. Flowers magenta, often fading purple; calyx densely white-villous, with shorter appressed black hairs; sepals 3–5 mm long, narrowly lanceolate; banner 13–18 mm long. Legumes spreading, 1–2 cm long, white-pilose, inflated, enclosed in or exserted from the calyx (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Plants in Montana are variety atropurpurea (Rydb.) Barneby, variety lagopus, or variety conjugans Barneby.

Range Comments
AB, to ID and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 13

(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
Sparsely-vegetated, stony soil of grasslands, steppe, dry woodlands, often on limestone; valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Hare's-foot Locoweed — Oxytropis lagopus.  Montana Field Guide.  Montana Natural Heritage Program.  Retrieved on July 25, 2016, from http://FieldGuide.mt.gov/speciesDetail.aspx?elcode=PDFAB2X0A0