Astragalus purshii Douglas ex Hook.
A small, cushion-forming Astragalus, widespread in the western United States but
peripheral in the southwest. The very long spreading hairs of the calyx are distinctive.
Plant habit on the road to Brainard Lake, Boulder County, Colorado, 7 Jun 2011.
Flowers on the road to Brainard Lake, 7 Jun 2011.
Buds & leaves on the road to Brainard Lake, 7 Jun 2011.
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