Most of them contain special nutrition and unique flavor, and some species also have certain health care and disease prevention functions. It can be seen that special vegetables is not named after botanical classification. & gt& gt& gt For more information, please refer to the China market research. The online market research shows that since 1980s, under the new situation of reform and opening up, China's foreign affairs, foreign trade and tourism have enjoyed unprecedented prosperity, and foreign-related hotels, restaurants and tourism industries need special side dishes. In order to meet this demand, we began to introduce "western food" from abroad. At that time, "western food" was particularly needed, and there were few in the market, so some people called it a special dish. After 20 years of introduction and promotion, some special dishes have become familiar "popular dishes". Generalized specialties can be divided into the following categories: 1. All kinds of western food imported directly from abroad. Such as chicory, lettuce, celery, broccoli, fennel, kale, burdock and so on. 2. Newly bred varieties are new varieties cultivated by agricultural science and technology workers using advanced breeding technology. Such as female carrots, colored peppers, spineless cucumbers and orange-red cabbages. 3. Famous and famous varieties around the country are famous, special and excellent vegetable varieties in some parts of China. Such as northeast female carrots, water shield, purple water shield, potato, pickled mustard tuber, Chinese cabbage, kale, purple-backed begonia, zucchini, bergamot, Maxim's radish, etc. 4. Wild vegetables In recent years, wild vegetables have attracted people's attention again, and some of them have become good edible vegetables after excavation and development. Such as bracken in North China, mugwort in Jiangsu and Hubei, sand mustard in Gansu and Inner Mongolia, Tricholoma in Inner Mongolia, Malan vegetable in Anhui and Jiangsu, shepherd's purse, purslane, chicory, cattail and watercress. Miniature vegetables, also known as pocket vegetables, are also popular vegetable varieties in recent years because of their small and exquisite shapes. Such as cherry tomatoes, radishes, mini cucumbers, finger-shaped zucchini and small peppers. Some of these vegetables are directly introduced and some are newly cultivated.