young plant carnegiea gigantea - giant cactus against a blue sky in the rock desert

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