FLOWERS: Corolla lobes often longer than the throat, white, the throat maroon. NOTES: See also parent taxon. Sandy to gravelly soils, washes and bajadas, desert shrubland: Maricopa, Mohave, Pima, Yavapai cos.; 450-1070 m (1480-3500 ft); Mar-Jun. Range of the species. REFERENCES: Dieter H. Wilken and J. Mark Porter, 2005, Vascular Plants of Arizona: Polemoniaceae. CANOTIA 1: 1-37.