Astragalus pringlei

A mat-forming species found in northern Mexico, not apparently extending into the United States.

Plant habit about halfway from Ciudad Chihuahua to Cuauhtemóc along the highway, 18 Mar 2007.

Flowers along the road from Chihuahua to Cuauhtemóc, 18 Mar 2007.

Flowering stems on the road from Ciudad Chihuahua to Cuauhtemóc, 18 Mar 2007.