saguaro(redirected from Cereus giganteus)
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Related to Cereus giganteus: Carnegiea, Saguaro cactus
any plant of the family Cactaceae, a large group of succulents found almost entirely in the New World. A cactus plant is conspicuous for its fleshy green stem, which performs the functions of leaves (commonly insignificant or absent), and for the spines (not always
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