close up astrophytum asterias cactus flower on white background.common names include sand dollar cactus, sea urchin cactus, star

agriculture amusingly asterias astrophytum background backgroundcommon beautiful botanical botany cacti cactus close closeup cycle decorate decoration design dollar dry flora flower fresh garden green grow growth hobby houseplant idea include names natural nature nbackgroundcommon pattern peyote plant prickly relax round sand sea seed sharp spines sprout star sting succulent summer texture thorn thorny tropical urchin vase white