Mullein is also called dropwort, purple horn leaf. Mullein is an annual trailing plant, to seedlings or shoots for food, the texture is smooth and juicy, can be boiled in soup or fried , the whole plant for medicinal purposes, cool and blood, is one of the summer supply of green leafy vegetables.

Mullein plants have strong growth potential, fleshy stems, smooth and hairless, strong branching, new leaves grow fast, the production of continuous leaf picking or centering, to promote the development of new branches and new leaves.

It has two species: the red-flowering red dropwort, the white-flowering white dropwort. Seedlings, shoots and leaves are offered for consumption as a vegetable. Although not well known, the okra has a long history of cultivation and is an ancient vegetable. Written more than 2,200 years ago, "Er Ya" has been recorded on the drop sunflower.

Drop sunflower root system is developed, strong growth potential, like warm, heat, humidity. 4-9 months for the peak season of the market, pests, pesticide pollution is light. In the summer and fall pest season, often eat some sunflower, is the best choice of leafy greens. Sunflower is a highly nutritious leafy greens, compared with green vegetables, carotene 1.3 times higher, 21% more vitamins, dietary fiber 36% more, trace elements selenium 2.3 times more.

Fallen sunflower can be fried, can also be used as a soup, smooth texture, superior flavor. The way of eating scrambled eggs with okra is recommended. The practice is to wash the sunflower, cut into one centimeter wide leaves, put the frying pan stir-fry, and then will be pre-beaten eggs poured in, shaped out of the pan.

Traditional medicine believes that the dropsy is cold, can clear the heat and detoxification, moistening and drying slippery intestines, most suitable for intestinal dryness, urination, shortness and astringency of urine consumption. In summer, more hot weather, may often eat some sunflower. But the weak spleen and stomach should not be eaten.