lobivia arachnacantha cactus or echinopsis ancistrophora with yellow flowers in botanic garden

ancistrophora arachnacantha background beautiful bloom blooming blossom blossoming bolivia botanic botanical botany cactaceae cacti cactus closeup color decoration desert detail dry echinopsis exotic flora floral flower flowers garden gardening glasshouse gravel green grow growing growth houseplant image lobivia natural nature petals plant sand spiny succulent texture thorn tropical yellow