Known as Biznaga (or Viznaga) Gigante, this is the largest of the Barrel Cacti and has an edible central pith. The species was sacred to the indigenous peoples of Mexico's central and southern highlands. Desert Botanical Gardens, Phoenix.
Golden Barrel Cactus (Echinocactus grusonii) in cultivation in Royal Botanic Gardens, Kew England. Photographed on 4 December 2004.www.inaturalist.org/observations/55542142