Cylindropuntia acanthocarpa, Buckhorn Cholla Flower Color: Bright yellow to bronze to brick red.

In the Southwestern United States: Arizona has 12 species of genus, California has 10 species, Nevada has 5 species, New Mexico has 8 species, Texas has 6 species, Utah has 3 species. Hybrids excluded, all data is approximate and subject to taxonomic changes.