Ключевые слова: biodiversity, bloom, blooming, blossom, blue, boneset, botany, close up, closeup, colorful, comfrey, comfrey flower, common, flora, flower, focus in foreground, fresh, green, herb, herbal, inflorescence, knitbone, medicinal herb, medicinal plant, natural, organic, perennial, purple, quaker comfrey, roughleaved plant, season, sky, springtime, summer, symphytum officinale, true comfrey, uncultivated, wild, wild plant, wildflower,