A small dense colony in a wash at Organ Pipe Cactus National Monument, Pima County, Arizona, 25 Feb 2005.
Closer view of an inflorescence at Organ Pipe Cactus National Monument, 25 Feb 2005.
Basal leaf at Organ Pipe Cactus National Monument, 25 Feb 2005.
Plant habit on the Table Top Trail, Sonoran Desert National Monument, Maricopa County, Arizona, 10 Mar 2008.