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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] The word cactus derives, through Latin, from the Ancient Greek word κάκτος (káktos), a name ...
Some species of barrel cactus reach over 1 metre (3.3 ft) in height at maturity, and have been known to reach 3 metres (9.8 ft) in some regions. The ribs are numerous and pronounced, and the spines are long and can range in color from yellow to tan to red, depending on the age of the plant and the species.
Night-blooming cereus is the common name referring to many flowering ceroid cacti that bloom at night. The flowers are short lived, and some of these species, such as Selenicereus grandiflorus, bloom only once a year, for a single night, [1] though most
The term ceroid cactus (or sometimes just cereus) is used to describe any of the species of cacti with very elongated bodies, including columnar growth cacti and epiphytic cacti. [ 1 ] [ 2 ] The name is from the Latin cēreus , meaning "wax taper (a slender candle)", referring to the stiff, upright form of the columnar species.
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.
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. As a result, subdivisions within the ...
Echinocereus triglochidiatus is a species of hedgehog cactus known by several common names, including kingcup cactus, claret cup cactus, red-flowered hedgehog cactus and Mojave mound cactus. This cactus is native to the southwestern United States and northern Mexico, where it is a resident of varied habitats from low desert to rocky slopes ...
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]