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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 ]
Opuntia fragilis is a small, prostrate plant, rarely more than 10 cm (4 in) high: joints tumid, fragile, easily detached, oval, elliptical, or subglobose, 3–5 cm (1–2 in) long and nearly as thick as broad, bright green: areoles 0.6–1.3 cm (1 ⁄ 4 – 1 ⁄ 2 in) apart, with whitish wool and a few white to yellow bristles, which are much longer and more abundant on older joints; spines 1 ...
Opuntia stricta is a species of large cactus that is endemic to the subtropical and tropical coastal areas of the Americas, especially around the Caribbean. [2] Common names include erect prickly pear and nopal estricto . [4] The first description as Cactus strictus was published in 1803 by Adrian Hardy Haworth.
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Prickly Pear (Opuntia spp) Prickly pear cactus have flat, oval pads covered in spines. Pollinators love the pink blossoms, and the flowers are a beautiful contrast to the the stark spines of this ...
Opuntia polyacantha is a common species of cactus known by the common names plains pricklypear, [3] [4] starvation pricklypear, [5] hairspine cactus, [3] and panhandle pricklypear. [2] It is native to North America, where it is widespread in Western Canada , the Great Plains , the central and Western United States , and Chihuahua in northern ...
Common English names for the plant and its fruit are Indian fig opuntia, Barbary fig, cactus pear, prickly pear, and spineless cactus, among many others. [3] In Mexican Spanish, the plant is called nopal, a name that may be used in American English as culinary terms. Peninsular Spanish mostly uses higo chumbo for the fruit and chumbera for the ...