Saguaro.
Genus of cacti; perhaps the best-known representative is Cereus giganteus, the Saguaro cactus of the Sonoran Desert region of North America (also classified as Carnegiea gigantea).
Genus of globular cactae.
Genus of barrel-shaped cacti.
Genus of plants in the cactus family.
Genus of plants in the cactus family.