Opuntia littoralis Opuntia littoralis Opuntia littoralis is a species of prickly pear cactus known by the common name coastal pricklypear. It is sometimes called the sprawling prickly pear due to its short stems and habit of growing close to the ground. ""Littoral"" means "pertaining to the seashore". "Opuntia littoralis" is native to southern California and Baja California, where it grows in coastal sage scrub and chaparral habitats. The cactus is variable in appearance; there are several varieties and hybrids with similar species are commonly found. "Opuntia littoralis" generally grows in dense clumps spreading several meters wide and up to a meter-3 feet
Opuntia arenaria strongly deflexed and much shorter. Overall, plants (clumps) of cladodes may be 20–30 cm across and about 4–8 cm tall. Fruits are small, about 2.5 cm. 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