Plains Prickly Pear Cactus (Opuntia polyacantha) is a succulent, perennial shrub found in sunny prairie grasslands and on dry hillsides at elevations ranging from 4,000 to 7,500 feet. Prickly pear cacti are easy to identify because there are limited numbers of cacti of its size in Colorado. It is forms clumps of oval pads, each of which can grow to be six centimeters long and contain rows of sharp spines. Its flowers bloom copper, yellow, or pink in May and June
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