1. Dandelion distribution: Jiangsu, Hubei, Henan, Anhui, Zhejiang, Heilongjiang, Jilin, Liaoning, Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, Qinghai, Shandong, Zhejiang, northern Fujian, Taiwan Province, Hunan, northern Guangdong, Sichuan, Guizhou and Yunnan. North Korea, Mongolia and Russia are also distributed.

2. Growing environment: It is widely distributed in hillside grasslands, roadsides, fields and river beaches in middle and low altitude areas.

3, shape description:

(1) Dandelion leaves are obovate-lanceolate, obovate-lanceolate or oblong-lanceolate, with a length of 4-20cm and a width of 1-5cm. The apex is blunt or acute, the edge sometimes has wavy teeth or pinnately parted, sometimes pinnately parted or pinnately parted, and the top lobe is large and triangular or triangular, and the edge or teeth are entire.

(2) Scapes 1 to several, equal to or slightly longer than leaves, high 10 ~ 25cm, purple-red upper part, densely covered with white filamentary hairs of spiders; The head is about 30-40mm in diameter; Involucre bell-shaped, long 12 ~ 14 mm, light green; The involucral bracts have 2-3 layers, and the outer involucral bracts are ovate-lanceolate or lanceolate with a length of 8 8- 10/0mm and a width of1-2mm. The membranous edge is wide, the base is light green, the upper part is purplish red, and the top is thickened or has a small to medium angle protrusion. The inner involucral bract is linear-lanceolate, with a length of 10- 16 mm, a width of 2-3 mm, a purplish red tip and a small angular protrusion; The tongue-shaped flower is yellow, with a tongue length of about 8 mm and a width of 1.5 mm. There are purple stripes on the back of the marginal tongue, and the anthers and stigma are dark green.

(3) Achenes are obovate-lanceolate, dark brown, about 4 ~ 5 mm long, 1 ~ 1.5 mm wide, with small spines on the upper part and rows of small nodules on the lower part, and the top gradually shrinks into a conical to cylindrical beak base, with a beak length of 6 ~ 10 mm and a white crown hair of about 6. The flowering period is April-September, and the fruiting period is May-65438+1October.

Main value

1, dandelion raw dandelion is rich in vitamin A, vitamin C and potassium, and also contains iron, calcium, vitamin B2, vitamin B 1, magnesium, vitamin B6, folic acid and copper. The content of specific elements is mainly water. Every 60g dandelion leaf contains 86% water, protein 1.6g, carbohydrate 5.3g, and the heat is about108.8kj. ..

2. Dandelion plants contain many healthy nutrients, such as dandelion alcohol, dandelion, choline, organic acids and inulin. Sweet, slightly bitter, cold. Entering the liver and stomach meridians. It has diuretic, laxative, jaundice and cholagogic effects. Can be used for treating toxic heat, carbuncle, sore, carbuncle, conjunctival congestion, damp-heat, jaundice, dysuria, furuncle, furuncle, toothache, conjunctival congestion, sore throat, lung carbuncle and intestinal carbuncle. Can be used for treating acute mastitis, lymphadenitis, scrofula, furuncle, acute conjunctivitis, common cold and fever, acute tonsillitis, acute bronchitis, gastritis, hepatitis, cholecystitis, and urinary tract infection. Dandelion can be eaten raw, fried and made into soup. It is a plant with homology of medicine and food.