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Montana Field Guide

Montana Field Guides

Montana Locoweed - Oxytropis besseyi var. argophylla

Status Under Review
Native Species

Global Rank: G5T4T5
State Rank: SU

Agency Status
MNPS Threat Rank:

External Links

General Description
See species description.

Diagnostic Characteristics
Barneby (1989, Intermt. Flora, Vol. 3, Part B) uses the following characters to separate variety argophylla: Larger laves 2-8 cm long and shorter than the scapes; leaflets 5-9(11), crowded on arachis less than 2 cm long; pod tumescent but not bladdery, 4-6 mm diameter; leaflets of mature leaves 3-10 mm long.

Species Range

Range Comments
Southwest MT, northeast-central ID, WY (Park County) and NV (Elko County) (Kartesz 2009).

Observations in Montana Natural Heritage Program Database
Number of Observations: 35

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Commonly on limestone from foothills to subalpine; said to be commin in sw MT (Barneby 1989).

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Citation for data on this website:
Montana Locoweed — Oxytropis besseyi var. argophylla.  Montana Field Guide.  .  Retrieved on , from