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Montana Field Guide

Montana Field Guides

Yellowstone Milkvetch - Astragalus miser var. praeteritus


Global Rank: G5T4?
State Rank: S4

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

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General Description
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Diagnostic Characteristics
Variety praeteritus can be distinguished from the other varieties by the following combination of characters: Hairs both simple (basifixed) and forked at base (dolabriform), hairs stiff and not twisted, leaflets linear to narrowly lanceolate, petals whitish but keel with a purple tip.

Range Comments
A regional endemic to east-central ID, soutwest MT, and much of WY (Kartesz 2009).

References
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Citation for data on this website:
Yellowstone Milkvetch — Astragalus miser var. praeteritus.  Montana Field Guide.  .  Retrieved on , from