Family: Spurge (Euphorbiaceae)
Size: Tiny, to 0.125 in.
Other names: Hyssopleaf sandmat
Notes: Erect plant with spreading branches; 4 in. to 4 ft. high. Milky sap may irritate skin. More than 3 dozen species of Euphorbia in Arizona.
Hyssop spurge entry in the online edition of An Illustrated Guide to Arizona Weeds, Kittie F. Parker, University of Arizona Press.
This plant is found on the Appleton-Whittell Research Ranch Working Check list of flora.
Hyssop spurge plant profile on the USDA Plants server.