purple flowering common comfrey plant in its natural habitat

boraginaceae quaker comfrey biodiversity blooming blossom boneset buttercups closeup colorful common cultivated dandelion delicate flora flowers focus foreground foliage fragile freshness green health herb inflorescence knitbone leaf medicinal medicine nature organic outdoors overblown perennial plant purple season slipperyroot springtime summer symphythum officinale texture true uncultivated veins vibrant violet weed wild wildflower flowering natural habitat habitat grasses dandelions yellow visible background spring day