Burdock is also called rat's tongue, nightshade, bat's thorn, burdock, etc., is a biennial herb, usually about 1-2 meters high, the root is relatively thick, is fleshy, conical in shape, the stem is erect, the basal leaves are large clustered, the stem leaves are alternate, the leaf blade is oblong-ovate or broadly ovate, the achenes are oblong, the color of gray-brown.
1, growing environment
Burdock mostly grows in the mountain field roadside, ditch, wasteland, hillside sunny meadows, forests and towns near the main distribution in China's northeastern, northwestern, south-central and southwestern regions, it is preferred to warm climatic conditions, both heat-resistant and cold-tolerant, the plant grows at a suitable temperature of 20-25 ℃.
2, nutritional value
Burdock's fleshy roots crispy and tender, rich in nutrients, beneficial to the body's health, rich in non-soluble dietary fiber, soluble dietary fiber, the content of the two greatly exceeded the content of other vegetables, and therefore has the reputation of the King of Vegetables, can be fried, boiled, raw or processed into drinks.
3, medicinal value
Burdock Xin, bitter, cold, Xin can be dispersed, bitter and cold can drain the heat, so there is the efficacy of evacuating wind-heat, but also into the lung meridian, bitter and cold clearing and drainage, there is a clear throat, expectoration of the role of the lungs, so burdock is used for the treatment of wind-heat episodes, the onset of the warmer, the symptoms of fever, sore throat, coughing, coughing, phlegm, as a The first choice of medicine.
In addition, burdock can penetrate the rash poison, for the treatment of measles, rash, itching, burdock can also be detoxification and swelling, used for the treatment of feverish sores, dengteng.