cactus ferocactus glaucescens ,glaucous barrel cactus ,ferokaktus sinewy ,blue barrel cactus in family cactaceae

background ball barrel beautiful biznaga barril azul blue botanical botany bright cactaceae cactaceous cacti cactus garden california cactus caryochyllales close cushion desert desert plants detail dry east central mexico echeveria ferocactus ferokaktus flora glaucescens glaucous golden ball barrel green grusonii large macro natural nature needle plant prickly sinewy spike spiny succulent summer thorn thorns tropical tropical yellow flowers