Fagonia laevis Standl.

Fagonia laevis Standl.. Fagonia laevis, the California fagonbush, is a species of plant in the Zygophyllaceae, the caltrop family. It is a perennial subshrub of the southwestern United States and Northwestern Mexico desert regions in California, southern Nevada, Arizona, southwest Utah, Sonora, Baja California and Baja California Sur. It thrives upon hot, dry, slopes and hillsides that also receive seasonal-(winters of the Southwest) or monsoon moisture.