AbstractThe saguaro cactus (Carnegiea gigantea) is an iconic symbol of Arizona and the greater American Southwest. The saguaro flower is Arizona’s State Flower. Silhouettes of saguaro appear on the standard Arizona automobile license plate. Saguaro cacti are the largest cacti in the United States, sometimes exceeding 60 feet in height and standing taller than any other plant in their native habitat. Arizona’s two largest metropolitan areas, Phoenix and Tucson, feature saguaro cacti in urban natural areas and planted landscapes.
Series/Report no.University of Arizona Cooperative Extension Publication AZ1933
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