Family: Legume or Pea (Leguminosae)
Size: This is a very small plant whose stems radiate out close to the ground. The entire plant is 10-12 inches across. The flower spike is 2 - 3 inches long at maximum.
Notes: There are 15 - 30 leaflets on each branch. 36 species of Dalea in Arizona.
San Pedro False Prairie Clover plant profile on the USDA Plants server.