a big round cactus on the stony ground - echinocactus grusonii - gold ball

background ball barb big bright cactaceae cactus closeup day echinocactus garden gold goldkugelkaktus green ground grusonii home many natural nature outdoor park plant plants prick prickle round schwiegermutterstuhl spear spiculate spine spiniferous spring stones stony succulent summer thorn thorned thorns volume white