Ключевые слова: asteraceae, bloom, blooming, blossom, bog rhubarb, botany, butterbur, color, colorful, common, devil, early, early spring, flora, floral, flower, flowers, growth, herbaceous, inflorescence, leaves, medicinal, natural, nature, outdoor, peculiar, perennial, pestilence wort, petasites, petasites officinalis, petasites ovatus, pink, pink butterbur, plant, purple, red, spring, springtime, stem, strange, tussilago petasites, typical, vertical, wild, wildlife, wonderful,