Astragalus spatulatus Sheld.  

Family: Fabaceae

Tufted Milk-Vetch

[Astragalus caespitosus (Nutt.) A.Gray, moreAstragalus simplicifolius var. caespitosus (Nutt.) M. E. Jones, Astragalus spatulatus var. uniflorus (Rydb.) Barneby, Homalobus brachycarpus Nutt., Homalobus caespitosus Nutt., Homalobus canescens Nutt., Homalobus uniflorus , Orophaca caespitosa Britton, Phaca caespitosa Nutt.]