United States, California, Riverside, Near Hidden Oasis, 13 miles E. of Palm Springs
in open Colorado Desert adjacent to Palm Oasis dominated by Washingtonia filifera; shrub 16 ft. tall, 12 ft. diameter; fls. lemon-yellow with sweet odor; with Dalea, Prosopsis, Atriplex, etc. ca. 600 ft. elev.