Such as aster, atractylodes, coltsfoot, grass red flower, thistle, thistle, dandelion, cocklebur, mugwort, artemisia, mugwort, burdock, perilla, wild chrysanthemum, chrysanthemum, roundworm etc. Commonly eaten chrysanthemums and fennel also belong to the Artemisia family.

Characteristics of Artemisia plants: herbs, subshrubs or small shrubs, often fragrant when rubbed; leaves are alternate and often divided; flower heads are small, heterosexual, disc-shaped, often drooping, arranged in panicles , spikes or racemes;

Flowers are all tubular; marginal flowers are female, 1 row, slender, with 2 to 3 tooth lobes; disc flowers are bisexual, strong or sterile; inflorescence pedicles are naked or have pedicles Hairy; achenes are small, grooved, and without crests. Species with same-sex flowers in their flower heads have been classified into the genus Sericum.

Extended information:

About 300 species, mainly produced in temperate, cold temperate and subtropical regions of Asia, Europe and North America. A few species are distributed in tropical regions of southern Asia and northern Africa. , eastern, southern and Central America and Oceania regions. China has 186 species, 44 varieties, belonging to 2 subgenus and 7 groups;

It is distributed throughout the country, with the largest number in northwest, north China, northeast and southwestern provinces. Plant communities often form in local areas, such as grasslands, Asian Establishing species and dominant species in alpine grasslands or desert and semi-desert grasslands;

Mainly associated species. There are slightly fewer species in East China, Central China and South China. They mostly grow on barren slopes, wilderness and roadsides. A few species Also distributed to seaside beaches.