desert mountain rock landscape in arizona, succulent agave sp. grows in the mountains

agave ajo mountain drive arborescent arid arizona barrell cactaceae cactoideae cactus carnegiea gigantea caryophyllales cereus giganteus chain fruit cholla desert succulents dry echinocereeae eudicots ferocactus wislizenii flora hardy hot landscape learn about the park north america opuntia fulgida organ pipe pilocereus plant rock saguaro national sonoran spine teddy bear treelike vegetation wild wilderness nacti dead