the yellow flowers of coreopsis basal

inflorescence chrysanthemum asteraceae herbaceous resembling wildflower coreopsis september beautiful biennial solitary backdrop standing dazzling flowers feather ranging rooster blossom yellow member family annual leaves shaped oblong branch bracts length tongue purple achene blooms golden stands flower meadow nature basal dietr blake plant genus lobes shape outer layer brown black color large green alone petal daisy field 3060 tall oval base july name