The varieties of wormwood are wormwood, wormwood, wormwood and wormwood. Folium Artemisiae Argyi is a perennial herb of Compositae and Artemisia, or slightly semi-shrub-like, with strong fragrance. They are born in wasteland, roadsides, rivers and hillsides in middle and low altitude areas, and are also found in forest grassland and grassland areas. Artemisia argyi has strong adaptability, likes sunshine, is drought-resistant and cold-resistant, has low requirements on soil conditions and is easy to survive.

1, Beiai

Artemisia argyi powder is found in Shaanxi, Gansu, Qinghai, Xinjiang, Sichuan and other places; Bei Ai is now "Nine-headed Fairy Ai". Li Shizhen mentioned in Compendium of Materia Medica: "Tang Yin is called Northern Ireland".

2.haiai

The wormwood with the same name as Bei Ai is called Hai Ai. This kind of wormwood was also found in the Song Dynasty. "Compendium of Materia Medica" said: "In the Song Dynasty, Ai Ye preferred Tang Yin's revival of Taoism and four Ming Dow's. In modern times, only Tangyin was called Bei Ai, and Siming was called Hai Ai. " The Siming mentioned here is Ningbo today.

3. Artemisia argyi

In the Ming Dynasty, another kind of wormwood called Artemisia argyi was discovered in Li Shizhen's hometown of qi zhou, Hubei. Li Shizhen admired this kind of wormwood in his hometown. In Compendium of Materia Medica, he made no secret of his love for this kind of wormwood. Li Shizhen believes: "Since the beginning, Zhou Qi has won, filling the prescription with things, and the world is heavy, which is called wormwood."

4. Artemisia rubra

Artemisia argyi is a unique tree species in southern China, mainly distributed in Yuexiu District of Guangdong and Luofu Mountain of Huizhou.