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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]
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".
Bergerocactus emoryi is a species of cactus, known commonly as the golden-spined cereus, golden snake cactus, velvet cactus or golden club cactus.It is a relatively small cactus, but it can form dense thickets or colonies, with the dense yellow spines giving off a velvety appearance when backlit by the sun.
Perhaps the best way to tell Thanksgiving and Christmas cacti apart is by observing their growth habits. Thanksgiving cactus has an upright growth habit (pictured above) with the stems pointing up.
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.
Barrel cacti are cultivated by plant nurseries as an ornamental plant. They are considered easy to grow and relatively fast growing. They may produce round offshoots. Barrel cacti can fall over because they grow based on sun orientation. They usually grow towards the south to prevent surface tissue sunburn, giving the name "compass cactus." [4]
Like other cacti, the Christmas cactus lacks true leaves. The jointed stems, called cladodes, do the work of photosynthesis typically performed by leaves in other plants. It is these stem segments ...
It is one of the most distinctive cacti, a member of the relatively small genus Stenocereus. It is endemic to the central Pacific coast of Baja California Sur, and is found only on sandy soils, where it forms massive colonies. As with all cacti, creeping devil is succulent, and is reported to contain mescaline and sterols. Growth patterns can ...
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