a echinocactus grusonii cv. krauskopf or

angiosperm angiospermae background bar barrel beautiful biological biology botanic botanical botany bright cactaceae cacti cactus close closeup color curvispinus cushion decoration desert detail dry echinocactus flora flower fresh garden goldan golden green growth grusonii horticultural horticulture macro melocactus motherinlaws natural nature pattern plant sharp spine spines succulent summer tropical white