Opuntia littoralis tall. The branches are made up of oval-shaped flat segments up to long. It is covered in clusters of yellowish spines long. The flowers are pale yellow to dull red occurring in May to June. The fruit is purplish red and up to long. The fruit is edible. 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
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