golden barrel cactus on rocky ground

background ball barrel beautiful botanical botany brown cactaceae cacti cactus closeup decoration desert detail dry echinocactus ecology flora flower fresh garden golden green grow growth grusonii hot isolated leaf macro natural nature ornamental plant prickly rock round sand sharp spherical spike spine stone succulent summer texture thorn tropical name group barrel-shaped family native north south america used two large-stemmed american genera ferocactus echino cactus fero