Opuntia gosseliniana natural hybrids between species. The above-mentioned taxonomic issues complicate any attempt to describe the distribution of particular varieties or species. "O. gosseliniana" is especially known from Mexico, but has been reported from Arizona. Opuntia gosseliniana Opuntia gosseliniana, commonly known as the violet pricklypear, is a species of cactus that is native to Pima County, Arizona in the United States and Baja California, Chihuahua, and Sonora in Mexico. Like most prickly pears, the pads are flat. Unlike most prickly pears, they have a violet, pink, or red tinge, hence the name. The cactus reaches mature heights of one to five feet
Opuntia arenaria Opuntia arenaria Opuntia arenaria was considered a variety of "O. polyacantha" by many botanists, and is still treated that way in the Flora of North America. However, "O. arenaria" is diploid and "O. polyacantha" is tetraploid. It was described by Engelmann in 1856. "Opuntia arenaria" can grow in soil that is essentially pure sand. It has rhizomes up to 1.5 m long that give rise to above ground shoots with small cladodes that are 4-7 x 2–3 cm in size. Major spines are found in the distal areoles and are often reflexed, up to 30 mm long. Minor spines are