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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 genus Cereus was first genus for such cacti and one of the oldest cactus genera. Its circumscription varies depending on the authority. According to Cactiguide, the word cereus was commonly and freely used to describe any tree-like cacti, although this general use of the word is regarded as misleading, and the word ceroid or ceriform is ...
Cereus (/ ˈ s ɪər i ə s / "serious") [2] is a genus of cacti (family Cactaceae) including around 33 species of large columnar cacti from South America.The name is derived from Greek (κηρός) and Latin words meaning "wax", "torch" or "candle".
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.
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 put out multiple flowers over several weeks, each of which opens for only a single night.
This page was last edited on 30 December 2016, at 15:36 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Trichocereus macrogonus var. pachanoi (synonyms including Trichocereus pachanoi and Echinopsis pachanoi) is a fast-growing columnar cactus found in the Andes at 2,000–3,000 m (6,600–9,800 ft) in altitude. [3] [4] It is one of a number of kinds of cacti known as San Pedro cactus.
Acanthocereus is a genus of cacti.Its species take the form of shrubs with arching or climbing stems up to several meters in height. The generic name is derived from the Greek word άκανθα (acantha), meaning spine, [3] and the Latin word cereus, meaning candle. [4]
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