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Montana Field Guide

Montana Field Guides

Flexible Milkvetch - Astragalus flexuosus


Global Rank: G5
State Rank: S4

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

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General Description
Perennial from a branched caudex. Herbage moderately to densely strigillose. Stems erect or ascending, 25–50 cm. Leaves with 11 to 21, linear to oblong leaflets, 3–19 mm long with blunt or emarginate tips. Inflorescence ca. as long as the leaves, narrow, open, with 10–30 spreading flowers. Flowers pink to purple; calyx gray-villous; sepals <1 mm long; banner 8–11 mm long, reflexed; keel 5–8 mm long. Legume pendent, linear to linear-elliptic, nearly terete, 1–2 cm long, glabrate to white-strigose (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety flexuosus.

Species Range
Present
 


Range Comments
AB to MB south to AZ, NM and NE (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 9

(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
Often sandy or gravelly soil of grasslands; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Flexible Milkvetch — Astragalus flexuosus.  Montana Field Guide.  .  Retrieved on , from