water-pepper, water pepper or marsh pepper knotweed persicaria hydropiper, polygonum hydropiper. water-pepper plant flower. herbs

agriculture aromatherapy background botanical botany digital drawing drawn food fresh freshness garden green greenery growing growth hand healthy herb herbal illustration ingredient isolated leaf medical medicine natural nature organic painting pepper plant seasoning seed sketch spice spray spring springtime sprinkle sprout vegetable vegetarian vegetation vulgaris water watercolor wet white