Saguaro Cacti at the Cabeza Prieta national park in the Sonoran Desert. Scientifically named Carnegiea gigantea, the Saguaro Cactus is one of the largest species of Cacti which can grow up 70 feet tall. It is native to the Sonoran Desert and is the State Wildflower of Arizona. It is a flowering cactus that bears white and yellow blooms.
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