It is goat's milkweed, which is dandelion.

Goat milk grass perennial herb, with milk, with stolons. The above ground stems are erect, 30-80cm high. generally grows in the mountain slopes, roadsides and fields.

Dandelion is bitter, sweet and cold, non-toxic, has the effect of clearing heat and detoxification, and has good medicinal value.

Dandelion is rich in vitamins, amino acids, minerals and phytochemicals and other nutrients. Research shows that dandelion herb has antibacterial, lactation, anti-tumor, choleretic effect, especially for tonsillitis, cholecystitis, acute jaundice hepatitis and other diseases have good clinical efficacy.

Expanded Information:

Nutritional value of dandelion:

Dandelion contains many vitamins. The highest content of vitamin C, followed by vitamin B2 content and the lowest is vitamin B1 content. Among the various parts, the order of vitamin C content is leaves > flowers > buds > roots, and the content of vitamin C per 100 grams of leaves is as high as 59.2 milligrams, which is 5.8 times that of the roots, 3 times that of the flowers, and 5.8 times that of the buds.

The order of vitamin B2 content was buds > flowers > leaves > roots, with 1.8 milligrams, 1.3 milligrams, 1.1 milligrams and 0.4 milligrams per 100 grams, respectively.

Dandelion contains 17 amino acids. Pods have the highest content of 16.2 percent, followed by leaves and flowers at 15.9 percent and 12.1 percent, respectively, and roots have the lowest content of 3.8 percent. In terms of the types of amino acids contained, dandelion is rich in essential amino acids, accounting for 39.5% (leaves), 37.3% (flowers), 37.1% (flower buds) and 37.8% (roots) of the total amino acids.

People's Daily Online - Tasty and Nutritious Dandelion

Baidu Encyclopedia - Goat's Milkweed