What is a common name of Inula helenium? What is a category of thise plants? What is a history of this plant? What is used of this plant?

                  Common name: 

Aunea officinale, Elecampane, horse-heal elfdock 

                            * Category:

Vermifuge, Expectorant .

*History and Use:Native to southeastern Europe and western Asia, the elm tree growing in temperate regions. It is cultivated by sowing or by root division. It prefers moist soils in autumn, we dig up the root, then cut it to dry at high temperature. 

*Use: To clam the coug prepare an infusion, reduce by half on low heat then add sugar or honey drink one or two teaspoons of this syrup every 2 hours. 

           (Written by Salman Botanist)