- a tall, horizontally branched cactus, Carnegiea (or Cereus) gigantea, of Arizona and neighboring regions, yielding a useful wood and bearing an edible fruit: still locally common, though some populations have been reduced.
- a giant cactus, Carnegiea gigantea, of desert regions of Arizona, S California, and Mexico, having white nocturnal flowers and edible red pulpy fruits
