FLOWERS: Corolla lobe length 1/3 to 1/2 the tube length, uniformly colored or purple-streaked; filaments 1-3 mm long.

NOTES: Washes and bajadas, desert shrublands and woodlands: Coconino, La Paz, Maricopa, Mohave, Pima, Yavapai, Yuma cos.; 500-5000 ft; Feb-Jun-(Aug); sw CA to sw UT, n Son. L. setosissima subsp. punctata (Coville) Timbrook, which occurs in se CA and not documented in AZ, is characterized by filaments longer than 3 mm and purple- and yellow-dotted corolla lobes.

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