Penstemon parryi (A.Gray) A.Gray
A glaucous-leaved Penstemon found in washes and rocky slopes in the Sonoran Desert.
Plant habit on the Table Top Trail, Sonoran Desert National Monument, Maricopa County, Arizona, 10 Mar 2008.
Flowers on the Table Top Trail, 10 Mar 2008.
Plant habit in King Canyon in the Tucson Mountains, Pima County, Arizona, 20 Feb 2004.
Flowers in King Canyon, 20 Feb 2004.