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What tribe Carnegiea gigantea belongs to is a matter of taxonomic dispute. A molecular analysis of the cactus family in 2010 placed the saguaro in the Echinocereinae. [38] The ARS Germplasm Resources Information Network places it in the Echinocereeae. [39] The generic name honors businessman and philanthropist Andrew Carnegie. [40]
Saguaro Cactus (Carnegiea gigantea) The tree-like saguaro cactus is native only to the Sonoran Desert and can live for 200 years! Its super-slow growth rate (about an inch per year for the first ...
A large cactus (Carnegiea gigantea) at Saguaro National Park. The park gets its name from the saguaro (Carnegiea gigantea), [4] a large cactus that is native to the Sonoran Desert and that does not grow naturally elsewhere. [5]
Saguaro boot with US quarter to show scale. A saguaro boot is the hard shell of callus tissue, heavily impregnated with lignin, that a saguaro cactus (Carnegiea gigantea) creates to protect the wound created by a bird's nesting house . [1] The bird pecks through the cactus skin, then excavates downward to hollow out a space for its nest. [2]
The prickly mysterious giant grows in the desolate Sonoran desert covering southern Arizona and northern Mexico, but it might be in jeopardy. Daniel Winkler, research ecologist with the United ...
Get your camera ready for Saguaro National Park.. The park is home to the tallest cactus species in the country, the saguaro, a symbol of the Southwest. They’re particularly concentrated in the ...