Opuntia polyacantha var. arenaria

Read about Opuntia polyacantha var. arenaria in the Standard Cyclopedia of Horticulture

Opuntia arenaria, Engelm. A diffuse plant with upright terminal joints, rarely 1 ft. high: joints thick, obovate, 2-5 in. long and half as wide, tumid, strongly tuberculate: areoles crowded, ¼-½ in. apart, with sparse white wool and numerous yellowish brown bristles; spines very variable in number and size, 3-10, slender, flexible, white to ashy gray, usually 1 in. or less long: fls. yellow, 2-2½ in. broad: fr. ovate to globose, very spiny; seeds large and irregular. S. U. S. The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.