United States of America, Arizona, Yuma, Cabeza Prieta National Wildlife Refuge, Cabeza Prieta Peak; Lower Colo. R. subdivision of Sonoran Desert; 2550 ft.; Quaternary basalt.
32.28914 -113.80793 NAD 27
12 S 235560E 3575760N
777 meters
2550 ft.
S. facing side of summit with Perityle emoryi, Eriogonum deflexum, Fagonia pachyacantha, Horsfordia newberryi; stems bright green, dry & shattering easily; flowers inconspicuous; common especially on lava substrates.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)