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Saguaro Cactus
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There are 28 different species of cacti in the monument, ranging from the giant saguaro to the miniature pincushion. These cacti are all highly adapted to survive in the dry and unpredictable desert. They use spines for protection and shade, thick skin and pulp to preserve water, unique pathways of photosynthesis at night, and hidden under their skin are delicate to sturdy wooden frames holding them together.
The saguaro cactus (pronounced “sah-wah-roh”), is the icon of the American west. While the saguaro cactus has become a symbol of the American West, the saguaro cactus will only grow in the Sonoran desert. It is the largest cactus in the United States, and will normally reach heights of 40 feet tall.
Source: National Park Service
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