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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 saguaro is a columnar cactus that grows notable branches, usually referred to as arms.Over 50 arms may grow on one plant, with one specimen having 78 arms. [6] Saguaros grow from 3–16 m (10–52 ft) tall, and up to 75 cm (30 in) in diameter.
Stenocereus thurberi, the organ pipe cactus, [3] is a species of cactus native to Mexico and the United States. The species is found in rocky desert. Two subspecies are recognized based on their distribution and height. The Organ Pipe Cactus National Monument is named for the species. Cacti are minimally adapted to particular thermal niches ...
Saguaro National Park is a national park of the United States in southeastern Arizona.The 92,000-acre (37,000 ha) park consists of two separate areas—the Tucson Mountain District (TMD), about 10 miles (16 km) west of Tucson, and the Rincon Mountain District (RMD), about 10 miles (16 km) east of the city.
Pachycereus pringlei (also known as Mexican giant cardon or elephant cactus) is a species of large cactus native to northwestern Mexico, in the states of Baja California, Baja California Sur, and Sonora.
Desert Botanical Garden is a 140-acre (57 ha) botanical garden located in Papago Park, at 1201 N. Galvin Parkway in Phoenix, central Arizona.. Founded by the Arizona Cactus and Native Flora Society in 1937 [1] and established at this site in 1939, the garden now has more than 50,000 plants in more than 4,000 taxa, one-third of which are native to the area, including 379 species which are rare ...
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.
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.