Saguaro
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The saguaro is a tree-like cactus species in the monotypic genus Carnegiea that can grow to be over 12 meters tall. It is native to the Sonoran Desert in Arizona, the Mexican state of Sonora, and the
Carnegiea gigantea in Saguaro National Park near Tucson, Arizona during November
Old growth saguaro
Some saguaros are cristate or "crested" due to fasciation.
A house sparrow nesting on a saguaro cactus
Cactus
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A cactus is a member of the plant family Cactaceae, a family of the order Caryophyllales comprising about 127 genera with some 1,750 known species. The word cactus derives, through Latin, from the Anc
Saguaro
…The saguaro ( sə-(G)WAR-oh, Spanish: ; Carnegiea gigantea) is a tree-like cactus species in the monotypic genus Carnegiea that can grow to be over 12 meters (40 feet) tall. It is native to the Sonoran Desert in Arizona, the Mexican…
Various Cactaceae
Cultivated cacti in the Singapore Botanic Gardens
Many species of cactus have long, sharp spines, like this Opuntia.
Ferocactus species, a cactoid, in its native Arizona habitat