United States of America, Arizona, Pima, Cabeza Prieta National Wildlife Refuge, Aqua Dulce Mts.; Lower Colo. R. subdivision of Sonoran Desert; 1100 ft.; Cretaceous gneiss substrate.
32.10889 -113.28336 NAD 27
12 S 284550E 3554600N
Decimal latitude and longitude calculated by collector. Used software BaseCamp (Garmin) to convert NAD27 to decimal latitude and longitude. Collector corrected or updated georeference in 2017.
297 meters
976 ft.
Low hills ca. 1/2 mi. N. of Papago Well on rocky slopes & ridges; with Chaenactis carphoclina, Mentzelia involucrata, Trixis californica; flowers pinkish white to lavender; keel not ciliate; common & widespread.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)