FLOWERS: See also parent taxon. Corollas 7-18 mm long, the tube included and equal to the calyx, the throat exserted. 2n=36. —Sandy to gravelly soils, washes, canyons, bajadas, desert shrublands, pinyonjuniper woodland; Apache, Cochise, Graham, Mohave, Pima, Santa Cruz, Yavapai cos.; 850-1550 m (2800-5000 ft); Mar-May; AZ to TX, n Mex.

REFERENCES: Dieter H. Wilken and J. Mark Porter, 2005, Vascular Plants of Arizona: Polemoniaceae. CANOTIA 1: 1-37.