echinocactus grusonii, the golden barrel cactus, golden ball or mother-in-law's cushion, is a well known species of

plant nature cactus green garden background botany succulent desert closeup natural echinocactus cacti botanical growth thorn flora sharp tropical flower beautiful dry summer decoration prickly grow barrel detail texture mexico outdoor growing macro yellow white cactaceae environment spike grusonii houseplant needle round leaf spine ball pattern golden color