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Astragalus Linnaeus. Milkvetch.

Key to Astragalus

A genus of 2300-2500 species, herbs and shrubs, most diverse in arid regions of w. North America and w. and c. Asia. The habitats of the southeastern species may be characterized as rocky or sandy, “relictual islands” of aridity in the generally moist landscape of eastern North America.

Ref: Barneby (1964); Isely (1998). Show full citations.

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image of plant© Gary P. Fleming | Original Image ⭷