Mark Dimmitt, principal photographer. Click on each photo to enlarge.
A beautiful specimen of Ferocactus gracilis coloratus.
Pedilanthus macrocarpus
El Arco's claim to fame is its totem pole cactus, a mutant of senita (Lophocereus schottii). Photo: David Seibert
All the totem pole plants are a single clone; it rarely flowers and cannot produce fertile seeds. The population is about two miles across. There are at least two more mutant populations that look similar.
Retrieved from the Arizona-Sonora Desert Museum web site on 11-08-2024
https://www.desertmuseum.org/programs/succulents_gallery6.php