Dandelion (Latin name: dandelion hand. -Maz. ) is a perennial herb of Compositae. The root is conical, the surface is brown and shriveled, the leaf margin sometimes has wavy teeth or pinnately parted, the base gradually narrows into a petiole, the petiole and main vein are often reddish purple, the upper part of the scape is purple, and it is densely covered with spider filiform white villous; Head, involucre bell-shaped, achene dark brown, long crown hair white, flowering and fruiting period from April to 10.

Dandelion is also known as yellow flower Xiaoding, mother-in-law, flower flower lang and so on. Perennial herbs of Compositae. A flower head with white crown hairs on its seeds, which floats to a new place with the wind after flowering and breeds new life.