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A cactus (pl.: cacti, cactuses, or less commonly, cactus) [3] is a member of the plant family Cactaceae (/ k æ k ˈ t eɪ s i. iː,-ˌ aɪ /), [a] a family of the order Caryophyllales comprising about 127 genera with some 1,750 known species. [4]
Image Scientific name Distribution Matucana aurantiaca (Vaupel) Buxb.: Peru. Matucana aureiflora F.Ritter: Peru. Matucana charlesiorum Hoxey: Peru Matucana chrysacantha Hoxey & G.J.Charles
The cactus grows wild and cultivated to heights of 12–16 feet (3.7–4.9 m). In Namibia , O. ficus-indica is a common drought-resistant fodder plant. [ 18 ] O. ficus-indica grows in many frost-free areas of the world, including the Southern United States . [ 19 ]
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 ]
A collection of cultivated cacti. In 1984, the International Organization for Succulent Plant Study set up a working party, now called the International Cactaceae Systematics Group, to produce a consensus classification of the cactus family, down to the level of genus.
Opuntioideae is a subfamily of the cactus family, Cactaceae.It contains 15 genera divided into five tribes.The subfamily encompasses roughly 220–250 species, and is geographically distributed throughout the New World from Canada, to Argentina. [3]
The Cactoideae are the largest subfamily of the cactus family, Cactaceae, and are widely distributed throughout the Americas. Cactaceae is the 5th most endangered plant or animal family evaluated globally by the International Union for Conservation of Nature. [1] Around 80% of cactus species belong to this subfamily. [2]
The name Cactus became so confused that the 1905 Vienna botanical congress rejected Cactus as a genus name, [4] and conserved Mammillaria. [ 1 ] Mammillaria is a large and diverse genus with many species often exhibiting variations due to the nature of terrain, weather, soil and other ecological factors.