echinacea flower`s blossom with bee

alternative angustifolia atrorubens bee blossom bushs close coneflower daisy eastern echinacea family flower flowering flowers genus group herbaceous insect laevigata medical narrowleaf narrowleaved pale pallida paradoxa plant plants purple purpurea sanguine sanguinea serotina simulata smooth tennessee tennesseensis topeka wavyleaf yellow