Opuntia flavispina

(L Benson) BD Parfitt & Pinkava, Madrono 35(4): 348, 1988 [1989]

Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium

Details

Opuntia flavispina has not been published as a stand-alone species; it was published as a variety of O. engelmannii. Nonetheless, we accept it as an undescribed species. The obovate or oval cladodes may be 6- to 9-inches long and 5- to 7-inches wide. O. flavispina is typically characterized by a single, deflexed, long, yellow spine at each areole; spines may be 2-4 inches in length. The spine often has a burgundy base that darkens as the pads age. A much shorter secondary spine may be present. O. flavispina is restricted to Arizona and Sonora, MX.  Read an online description provided by the Flora of North America. Read the name combination, O. engelmannii flavispina. O. flavispina is hexaploid.

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