United States, Arizona, Maricopa, Sonoran Desert National Monument. Unnamed tributary of Sand Tank Wash. 11.6 mi southwest of Interstate Highway 8 near Big Horn. 2.5 mi west of Papago Indian Chief Mine.
32.772057 -112.541625
500 meters
1640 ft
Lower Colorado River Valley of Sonoran Desert.
Sandy banks of large ephemeral washes.
Up to 1.5 m tall. Few leaves and no fruit present. Rare.