1, with different properties. Artemisia annua is a herb of Erigeron in Compositae, also known as Melaleuca, Malaria Control Grass, Artemisia scoparia, Caulis Spatholobi, Millet, Inula, etc. Inula is a perennial herb shrub of Inula in Compositae, also known as cat's ear, June chrysanthemum, fingered citron and so on.

2. The effect is different. One-year-old Erigeron breviscapus can be made into pesticide, fertilizer and plant-derived anti-browning agent. It is used as a whole herb, and has the effects of detoxification, digestion, hemostasis and malaria control. It is mainly used to treat lymphadenitis, gingivitis and snake bite. Annual tender stems and leaves can be eaten as vegetables. Inula has the effects of reducing qi, promoting diuresis, stopping vomiting and resolving phlegm, and can be used to treat cough due to wind-cold, chest tightness, asthma and excessive phlegm. Inula is not only used for medicine, but also can be planted as a garden plant in flower border, lawn and roadside, and its tender stems and leaves can also be eaten.