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 engelmannii (state) to the Tamaulipan matorral in Chihuahua (state), in Mexico. In the Sonoran Desert, terminal pads face predominantly east-west, so as to maximize the absorption of solar radiation during summer rains. Although found occasionally in the Mojave Desert, it tends to be replaced by "Opuntia basilaris", which does not need the summer rain. The overall form of "Opuntia engelmannii" is generally shrubby, with dense clumps up to high, usually with no apparent trunk. The pads are green (rarely blue-green), obovate to round, about 15–30 cm long and 12–20 cm wide. The glochids are yellow initially, then brown with age. Spines