Cylindropuntia prolifera

Cylindropuntia prolifera, known by the common name Coastal cholla, is a species of cactus.
Description.
"Cylindropuntia prolifera" is a mostly erect, treelike cactus which can approach 3 meters in maximum height. The gray-green segments are narrow and cylindrical, surfaced in fleshy tubercles bearing many brown or reddish spines up to 2 centimeters long. The flowers are reddish purple and often borne on the fruits of previous seasons. Fruits grow in chains of up to 5 and are green in color.
Distribution.
"Cylindropuntia prolifera" is native to Southern California and Baja California, where it grows in coastal sage scrub, chaparral, and beach and bluff habitat. It occurs from Santa Barbara County south.