three yellow flower of helenium elecampane

asteraceae background bane beauty bloom blooms blossom blossomed blossoming botanical botany bracts bud circular color corolla detail elecampane elfwort ensifolia family flora floral flower foliage fresh gelenium gift green helenium herb high horseheal inula isolated leaf light macro meadow medicinal medicine nature outdoor park petal plant spring summer sunlight three white wild yellow