faxon yucca, spanish dagger (yucca faxoniana), giant yuccas in autumn at santa elena canyon

santa elena canyon big bend np texas faxon yucca spanish dagger sarcoyucca samuela faxonia asparagales asparagaceae agavoideae chihuahuan desert giant valley faxoniana usa north america national park nature wildlife world natural landscapes landscape plant wild dry treelike flora vegetation arid tree cactus succulents hot hardy succulent floral botanical prickly flower bloom