Arthur's Milk-vetch, Waha Milk-vetch
Astragalus arthurii
Synonym: Astragalus arthuri

Habitat of Arthur's milkvetch as seen in the Asotin Wildlife Area, Asotin County, WA........June 3, 2017. More typically, there would be native bunchgrasses (like bluebunch wheatgrasws, Pseudoroegneria spicata) in a natural habitat, but at this particular site the main grasses are more weedy. Arrowleaf balsamroot (Balsamorhiza sagittata) is in the background. Asotin silky lupine (Lupinus sericeus var. asotinensis) is also present at this site.
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- 

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Close-up images of the flowers, fruits and leaves of Arthur's milkvetch as seen in the Asotin Wildlife Area, Asotin County, WA........June 3, 2017.
- 
Close-up images of the fruits of Arthur's milkvetch as seen in the Asotin Wildlife Area, Asotin County, WA........June 16, 2023.
Paul Slichter