1、 Introduction

Dandelion is a perennial herb of Compositae, also known as yellow flower pudding, mother-in-law pudding, huahualang, etc. It has been studied for thousands of years in China, and has high medicinal value, edible value and economic value. The whole grass can be used as medicine. It is a common medicinal plant. At the same time, it is widely used in food or health products and other industries. Dandelion has many functions, such as antibacterial, heat clearing and detoxification, nourishing and beautifying. Taking it in moderation has good health care effect on human body. In addition, its eating methods are very diverse, which can be used to cook soup and porridge, eat raw, cold or make stuffing and so on.

2、 Characteristics

1. Shape: its root system is long, usually half the height of the plant. It has white emulsion juice, which has certain toxicity and will cause adverse reactions such as itching and redness of the skin. The flower looks like a chrysanthemum, with a head like inflorescence, tongue like, bell shaped involucre and tight flower clusters, generally with 2-3 layers of bracts. In addition, when the flower matures, it will grow seeds with white crown hair. At this time, the dandelion flower looks like a white spherical plush toy.

2. Habits: the flowering and fruiting period of dandelion is from April to October. It widely grows on hillside grassland, roadside, field and beach in medium and low altitude areas. It has strong adaptability, strong stress resistance and fast growth speed. It is resistant to cold and heat, and has strong drought and flood resistance. The optimum temperature for seed germination is 15-25 ℃, and the optimum temperature for seed growth is 20-22 ℃.