FLOWER: Corolla red or orange red, the tube (6.5-)11-18(-22) mm long. NOTES: See also parent taxon. Cochise, Gila, Graham, La Paz, Maricopa, Pima, Pinal, Santa Cruz, Yuma cos.; 0-2000 m (0-6500 ft); Feb-May; CA, NM, NV, TX; Baja C., Chih., Son. s to S.L.P., Mex. The leaves are soon deciduous with dryness but may be renewed several times a year with recurring rains. REFERENCES: Mason, Charles T., Jr. 1999. Fouquieriaceae. Ariz. – Nev. Acad. Sci. 32(1).