Opuntia parryi serpentina, a dicot, is a shrub (stem succulent) that is native to California, and also found in Baja California.
Common Names: serpentine cholla, snake cholla
Fruit: Berrylike, yellowish green.
Bloom Color: Red , Yellow , Green
Bloom Time: April , May , June
Bloom Notes: Stigma lobes cream-white to yellow.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz