Probably the most famous cactus is the Saguaro, though it is only found in the 120,000 square miles of the Sonoran Desert of southern Arizona and California. Saguaro is an Indian word, pronounced “sah-wah-ro” or “suh-wah-ro.” The scientific name is Carnegiea Gigantean, named for Andrew Carnegie. Just How Tall Can They Get? Indeed the Saguaro …
