closeup of pink flowers of persicaria hydropiper, polygonum hydropiper also known as water pepper, marshpepper knotweed,

closeup flowers persicaria hydropiper polygonum water pepper marshpepper knotweed smart tade plant family polygonaceae bloom blossom botanical flower grass green herb herbal medicine medical outdoors pink purple selective focus shallow smartweed stem summer weed wild beautiful beauty blooming branch bright colorful fresh garden growth meadow medicative medicinal nature wildflower tade