2. The picking time of wild mugwort is similar to that of mugwort. Roots and stems germinate around March, and can be harvested in April, and mid-May is the most mature period of wormwood.

3. Wild Folium Artemisiae Argyi is a compositae plant, also known as Folium Artemisiae Argyi, Artemisia argyi and Artemisia microphylla. Generally grows in valleys, grasslands, shrubs and roadsides, and can be planted all over the country. There are white spider-like hairs on the back of stems, leaves and branches, the leaves are cracked and the edges are rough and serrated.