Page author: David Giblin
Astragalus kentrophyta
thistle milk-vetch, spiny milk-vetch

Distribution: Known historically from Walla Walla County but considered extirpated; southern Alberta to east-central California, east to Rocky Mountains and northern Great Plains.

Habitat: Sandy deserts to alpine ridges.

Flowers: July-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Presumed extirpated in Washington (WANHP)


[none provided]

Accepted Name:
Astragalus kentrophyta A. Gray
Publication: Proc. Acad. Nat. Sci. Philadelphia 60. 1863 1863.

Synonyms & Misapplications:
(none provided)
var. douglasii – spiny millk-vetch, thistle milk-vetch   Historically endemic to vicinity of Walla Walla County in Washington, but now believed to be extinct.
Additional Resources:

PNW Herbaria: Specimen records of Astragalus kentrophyta in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Astragalus kentrophyta checklist entry.

E-Flora BC: Astragalus kentrophyta atlas page.

CalPhotos: Astragalus kentrophyta photos.

USDA Plants: Astragalus kentrophyta information.

13 photographs:
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