close up of centaurea macrocephala among lush meadow

centaurea macrocephala knapweed yellow beautiful perennial flora summer spring giant garden flowers flower pretty natural leaf blossom bloom showy plant flockenblume bighead petals plants pollen armenian botanical pollination arboretum botany caucasian balls species closeup armenia real innsbruck caucasus tirol basket smell knobs botanic big lemon fluff bachelors button hardhat basketflower