Artemisia capillaris belongs to Campanulaceae, Compositae, Cauliflower, Huang Ju and Artemisia.

Artemisia argyi belongs to Cruciferae, Cruciferae, Allium, Mustard and Descurainia.

2. Morphological differences:

Artemisia capillaris: the head is ovoid, sparsely subglobose, and the total bracts are 3-4 layers. The outer layer of involucral bracts is herbaceous, ovoid or ovoid, with yellowish back, green midvein, hairless, membranous edge, and the middle and inner layers of involucral bracts are elliptic and nearly membranous. Inflorescence receptacle small, convex; 6- 10 female flower.

Artemisia scoparia, (Descurainia sophia): Inflorescence corymbose, elongated in fruit; Sepals erect, caducous, rectangular, with branches on the back; Petals yellow, oblong obovate, 2-2.5 mm long, or slightly shorter than sepals, clawed; There are 6 stamens, one third longer than petals.

Artemisia capillaris, alias oregano, rat's paw, Tian Naili, Chen Yin, Ma Xian, Herba Artemisiae Scopariae, Artemisia capillaris and Alucaria tenuifolia, Latin name ArtemisiacapillarisThunb. Artemisia capillaris, a plant of Origanum in Compositae, does not die in winter, but was born in Chen Gen in spring, so it was named Chen Chen or Artemisia capillaris. In summer, the seedlings become Artemisia, so it is also called Artemisia capillaris. People in China still have the habit of making wormwood cakes and meatballs with rice flour.

When Artemisia capillaris used as a vegetable, we should pick seedlings. Artemisia capillaris an old medicinal material. So there is the saying "Artemisia in February, Artemisia in May". It is distributed in river banks and low slopes in low-altitude areas of China, Japan, Korea and Mongolia. Artemisiae Scopariae has two harvest periods, and the spring harvest is called "Mianyinchen". The autumn harvest is called Artemisia capillaris

Artemisia shaphaerocephala has records of disaster relief in ancient herbs. In the modern classification of farmland weeds in Henan Province, Artemisia scoparia is classified as a Cruciferae herb. There is also a comparison between it and Artemisia annua recorded in the ancient potherb prescription, which is actually not a kind; "Wild Recipe" said: "Holding Artemisia annua, the roots are inseparable, such as lacquer glue." Artemisia selengensis in the wheat field is a single seedling, which is easily uprooted. These seedlings taste bitter.