![]() Herbarium Herbarium Herbarium Herbarium Herbarium Herbarium Parfitt, Cactus and Succulent Journal (Los Angeles) 70(4): 188. ![]() But these are treated as separate species herein because they are hexaploid or diploid, respectively and because they are don’t intergrade with the varieties described here. Other species have been treated as varieties of O. polyacantha is tetraploid, but perhaps one or more other ploidies are represented in this large and diverse group of prickly pears. Fruits are dry at maturity flowers are often yellow but may be orange, pink, or magenta. Alternately, some varieties may someday be condensed with others. It is possible that new taxa will be recognized within the currently broad concept of the taxon. Some do not fit precisely into the 7 varieties described here. Nonetheless, the taxonomy of this Opuntia is complicated, and there are many expressions of O. polyacantha rhodantha is cited as a stand-alone species), but they represent our concept of the species. Not all have been formally described as varieties (e.g., O. We recognize 7 varieties of this prickly pear cactus. This Opuntia is much more widely spread than the ubiquitous O. In 2018, a disjunct population was discovered in the Thousand Islands region of of Ontario, Canada (Wikipedia). This prickly pear cactus has even been observed in dry areas in Minnesota and Missouri. In 2018, a disjunct population was discovered in the Thousand Islands region of Ontario, Canada. Opuntia polyacantha is a variable prickly pear cactus ranging from Mexico near California, to Texas, to the Rocky Mountain states and the Great Plains, and north into Alberta and Saskatchewan. Opuntia polyacantha erinaceae Haworth, Supplementum Plantarum SucculentaOriginal Description What is Opuntia polyacantha? Opuntia species W-Z and Unidentified Menu Toggle.Opuntia lindheimeri (incl ‘linguiformis’) Menu Toggle. ![]()
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