| Flower: | Cactus, Saguaro | | Family: | Cactus | | Genus / Species: | Cereus giganteus | | Notes: | This is a huge cactus, up to 50 tall, and can live up to 200 years. | | Photo: | 
Buckskin Mountain State Park, Arizona - - - - November 5, 2005 | | Guide: | A Field guide to the Plants of Arizona by Epple |
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