Ключевые слова: acti, ajo mountain drive, arborescent, arid, arizona, arizona barrell, cactus, carnegiea gigantea, carnegiea gigantean, chain fruit cholla, cholla, desert, desert succulents, dry, engelmanns prickly pear, ferocactus wislizenii, flora, hardy, hot, landscape, learn about the park, nature, north america, opunita engelmannii, opuntia fulgida, organ pipe cactus, pincushion mammillaria, plant, plants, rock, saguaro, saguaro national park, sonoran, spine, stenocereus thurberi, teddy bear cholla, travel, tree, treelike, usa, vegetation, weather, wild, wilderness, yucca,