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Phyllosticta concava, also known as opuntia dry rot [1] or prickly pear brown spot, is a species of fungus that infects opuntia cactus, leaving discolored circular depressions in the pads. [ 2 ] [ 3 ] The species was first formally described by the mycologist Fred Jay Seaver in 1922.
Opuntia, commonly called the prickly pear cactus, is a genus of flowering plants in the cactus family Cactaceae, many known for their flavorful fruit and showy flowers. [1] Cacti are well-adapted to aridity; however, they are still vulnerable to alterations in precipitation and temperature driven by climate change. [ 2 ]
Glochids (Opuntia microdasys monstrose) Glochids or glochidia (sg.: "glochidium") are hair-like spines or short prickles, generally barbed, found on the areoles of cacti in the sub-family Opuntioideae. Cactus glochids easily detach from the plant and lodge in the skin, causing irritation upon contact.
Austrocylindropuntia cylindrica (syn. Opuntia cylindrica), the cane cactus, is a species of flowering plant in the family Cactaceae. It is native to Colombia, Ecuador, and Peru, and it has been introduced to the Canary Islands , Morocco, Eritrea, Ethiopia, South Africa, Australia, and New Zealand. [ 1 ]
Opuntia macrorhiza is a common and widespread species of cactus with the common names plains pricklypear or prairie pricklypear or western pricklypear.It is found throughout the Great Plains of the United States, from Texas to Minnesota, and west into the Rocky Mountain states to New Mexico, Utah, and perhaps Idaho, with sporadic populations in the Mississippi and Ohio Valleys. [4]
Young cactus segments can be roasted to remove spines, then peeled and sliced to be eaten like string beans; alternatively, they can be deep fried. The leafy segments can be peeled and chewed for emergency hydration. [12] Opuntia humifasa has also provided traditional medicine uses in Indian, American, Mexican, and Korean cultures. [13]
Opuntia ficus-indica, the Indian fig opuntia, fig opuntia, or prickly pear, is a species of cactus that has long been a domesticated crop plant grown in agricultural economies throughout arid and semiarid parts of the world. [3] O. ficus-indica is the most widespread and most commercially important cactus.
Cylindropuntia was formerly treated as a subgenus of Opuntia, but have now been separated based on their cylindrical stems (Opuntia species have flattened stems) and the presence of papery epidermal sheaths on the spines (Opuntia has no sheaths). [1] A few species of mat- or clump-forming opuntioid cacti are currently placed in the genus ...