echinocactus grusonii golden barrel ball cactus or mother in law cushion in flower pot standing in snow

angiosperms ball barrel botany cactaceae cacteae cacti cactus closeup cold compact copy cushion decoration desert dry echinocactus endangered eudicots exotic flora flower globe golden green growth grusonii houseplant law mother nature ornamental photography plant plantae pot prickly print rare round sharp small snow space spherical spike spine studio succulent thorn tropical winter