STEM: Stem and pedicel hairs straight, appressed, spreading, or retrorse; longer stem hairs 0.7-1.2 mm long. NOTES: See the parent taxon for further description. Chaparral, desert woodland, oak or mixed deciduous woodland, or occasionally weedy in urban areas: Cochise, Coconino, Gila, Graham, (La Paz?), Maricopa, Mohave, Pima, Pinal, Santa Cruz, Yavapai, Yuma cos.; 600-2200 m (1900-6600 ft); Feb-Oct; CA to TX; n Mex.