erigeron sumatrensis flower plant on forest

erigeron sumatrensis field leaf garden green nature environment blossom wild plant freshness herb closeup herbal medicine floral blooming botanical asteraceae foliage flower herbaceous wildflower bloom botany flora spring fragility natural agriculture tree branch fresh outdoors annual widely naturalised family conyza floribundus terrestrial forest medicinal multiple uses treat rheumatism gout cystitis nephritis dysmenorrhoea dental pain headache