Artemisinin is the active ingredient in qinghao, a Chinese herbal tea that have been used for 150 years to treat malariaand haemorrhoids.artemisinin source form Artemisia Annua which grows in the wild in China and now has been found to grow inother parts of the world too,though the species may vary a bit. Locally, it isprepared as an infusion of the dried leaves.Artemisinin is isolated from the plant Artemisia annua, a herb described in Chinese traditional medicine. Artemisinin, also known as Qinghaosu, and its derivatives such as Artesunate, Artemether, Dihydroartemisinin, etc. are a group of drugs that possess themost rapid action of all current drugs against falciparum malaria.