Artemisia selengensis, alias: Artemisia selengensis, Artemisia selengensis, Chrysanthemum morifolium, Artemisia selengensis, Artemisia selengensis, Artemisia selengensis, Artemisia selengensis, Artemisia selengensis, Latin name: chrysanthum coranarium L. Chrysanthemum L., its flowers are very similar to wild chrysanthemum, so it is also called chrysanthemum. Annual or biennial herb with alternate leaves, long pinnate leaves, yellow or white flowers, achene ribs, two or three feet high, and edible or medicinal stems and leaves when tender. In ancient China, chrysanthemum was a court delicacy, so it was also called the emperor's dish. Chrysanthemum has the fragrance of Artemisia and the sweetness of chrysanthemum. According to ancient Chinese medical books, Artemisia selengensis is sweet, pungent, flat and non-toxic, and has the effects of "calming the heart and calming the nerves, nourishing the spleen and stomach, resolving phlegm and benefiting the stomach". Ornamental plants in China gardens. Hebei Shandong and other places are wild.