-Plants (Kingdom Plantae)

-Vascular Plants (Phylum Tracheophyta)

-Flowering Plants (Subphylum Angiospermae)

-Dicots (Class Magnoliopsida)

-Mints, Plantains, Olives, and Allies (Order Lamiales)

-Acanthus Family (Family Acanthaceae)

-Subfamily Acanthoideae

-Tribe Justicieae

-Subtribe Tetrameriinae

-Wrightworts (Genus Carlowrightia)

-Arizona Carlowrightia (Carlowrightia arizonica)

This species is especially common in the cape region of Baja California, and the coastal lowlands of western Mexico. Members of the genus, commonly known as wrightworts, are mainly small shrubs bearing inflorescences of lily-like flowers.