Flora of North America species comparison

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Astragalus pubentissimus var. pubentissimus
Photo is of parent taxon
Stems

ascending to erect.
Corollas

bright pink-purple, fading blue-purple.
Legumes

5–8(–9) mm wide.

Astragalus pubentissimus var. pubentissimus
Phenology Flowering May–Jul.
Habitat Pinyon-juniper, sagebrush, and mixed desert shrub communities.
Elevation 1500–2200 m. (4900–7200 ft.)
Distribution
from FNA
CO; UT; WY
Discussion

When precipitation arrives propitiously and abundantly, var. pubentissimus responds in such abundance as to appear similar to an alfalfa patch in openings in pinyon-juniper woodland, or it successfully pioneers areas that have been cleared by mechanical chaining. The plants contain swainsonine (L. F. James and S. L. Welsh 1992) and have been implicated in poisoning of sheep in the Uinta Basin in Utah.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus > sect. Inflati > Astragalus pubentissimus
Sibling taxa
A. pubentissimus var. peabodianus
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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