What family does lettuce belong to, and what family is lettuce

Compositae. Lettuce Introduction:

Lettuce is the common name for leaf lettuce, which belongs to the genus Lettuce in the Asteraceae family. It is an annual or biennial herbaceous crop, and it is also a popular vegetable in Europe and the United States, and is deeply loved by people. Lettuce is native to the Mediterranean coast of Europe and is domesticated from wild species.

The ancient Greeks and Romans were the first to eat it. Lettuce has a long history of being introduced into China, and it is cultivated more in the southeast coast, especially in the suburbs of large cities and in the two Guangxi regions, especially in Taiwan. In recent years, the cultivation area has expanded rapidly, and lettuce has also entered the dining table of ordinary people from hotels and restaurants.

Lettuce is sweet and cool;

Lettuce atlas. It has the effect of clearing heat and refreshing the mind, clearing the liver and relieving the gallbladder, and nourishing the stomach.

Promote blood circulation, anti-viral.

Stir-fried lettuce has the effects of lettuce itself, such as analgesic hypnosis, cholesterol reduction, auxiliary neurasthenia, diuretic, promote blood circulation, antiviral, etc.

Anti-inflammatory and sterilizing. In addition to the effect of stir-fried lettuce, garlic lettuce also has the effects of sterilization, anti-inflammatory and hypoglycemic, and even nourishes the brain. Lettuce is rich in vitamins and has the effect of preventing bleeding gums and vitamin C deficiency.

Garlic has the effect of detoxification, stagnation and stomach, and has a certain therapeutic effect on cold pain in the abdomen, dysentery, diarrhea, tuberculosis, whooping cough, cold, malaria and other diseases.

Lowers blood lipids. Oyster sauce is not oily, but is a soup left over from the oysters when they are processed and the soup is filtered and concentrated. It is a delicious seasoning with a variety of nutrients.

Therefore, in addition to lowering blood lipids, blood pressure, blood sugar, promoting intellectual development and anti-aging, oyster sauce lettuce can also be diuretic, promote blood circulation, antiviral, prevent heart disease and liver disease.

Cleanse the liver and gallbladder and nourish the yin and kidneys.

Lettuce is eaten with nutritious tofu, which is a high-protein, low-fat, low-cholesterol, multi-vitamin dish, which has the effect of clearing the liver and gallbladder and nourishing yin and kidneys, and whitening and bodybuilding. It also has a certain therapeutic effect on eye redness, swelling and pain, lung fever, cough, thirst, spleen deficiency and abdominal distention; The mushroom is rich in protein that is easy for the human body to absorb, and has the effect of tonifying the spleen and invigorating qi, moisturizing and reducing phlegm and strong nourishing effect, and eating with lettuce, it has a certain therapeutic effect on hot cough, phlegm, chest tightness, vomiting and diarrhea.

Compositae.

Lettuce, lettuce of the Asteraceae family is an annual or biennial herbaceous plant, its leaves are large, green on the top and white on the bottom, oval, the leaf surface is blind and wrinkled, and the outer leaves are stretched; The roots are shorter, rounded, harder and white; The seeds are small, white or yellowish-brown with a smooth surface; The flowers are smaller, pale white, polygonal; The flowering period is 3 May, and the fruiting period is 6 to 7 months. The "Compendium of Materia Medica" records that "endive, endive, celery, and lettuce can not be cooked, and they should all be raw to remove juice, salt, vinegar and mixed food, and can be said to be lettuce, and endive is slightly beautiful, so it has a unique name." Hence the name lettuce.

Lettuce is native to the Mediterranean coast of Europe, driven by wild species, and has a long history of being introduced to China, and is cultivated more in the two Guangxi regions, the southeast coast, especially in the suburbs of large cities. It likes a cold and cool climate, and is suitable for an environment with a large temperature difference between day and night and a low temperature at night; It prefers slightly acidic soils, and is preferably cultivated in sandy loam or loam soils with strong water retention capacity and good drainage. Lettuce propagation methods include seeding propagation and hydroponic propagation.

<> "The scientific name of lettuce is lettuce, and it is also known as leaf lettuce, goose cabbage, lettuce, and eggplant cabbage. Lettuce is native to the Mediterranean coast of Europe, it is cultivated from wild species, it has been introduced into our country a long time ago, and now the southeast coast, especially in the suburbs of large cities, is cultivated more in the area of the two Guangxi and Najiao sections, in recent years, its cultivation area has expanded rapidly, and lettuce has therefore entered the dining table of ordinary people.

Lettuce is an annual or biennial herbaceous plant.

Lettuce, the common name of lettuce for leaves, is also known as goose cabbage, mark cabbage, lettuce, belongs to the genus Lettuce of the Asteraceae family. It is an annual or biennial herbaceous crop, the leaves are long obovate, densely packed into cabbage-like leaf balls, which can be eaten raw, crisp and refreshing, slightly sweet.

Lettuce is native to the Mediterranean coast of Europe and is domesticated from wild species. The ancient Greeks and Romans were the first to eat it. Lettuce has a long history of being introduced into China, and the southeast coast, especially in the suburbs of big cities, and the two Guangxi areas are cultivated more, and in recent years, the cultivation area has expanded rapidly, and lettuce has also entered the dining table of ordinary people from hotels and restaurants.

Lettuce growth habits

Lettuce likes a cold environment, neither cold tolerant, but also not heat resistant, the suitable temperature for the growth of Tuanjuxiang is 15 -20, and the growth period is 90-100 days. The seeds are more resistant to low temperatures and germinate at 4 o'clock. The suitable temperature for germination is 18-22, and almost no germination when it is higher than 30.

During the growth period of the plant, it likes a cool climate, and it is best to grow in 15-20 postures, with high yield and excellent quality.

Consistently higher than 25, poor growth, coarse and old, slightly bitter leaves. However, it is also quite hardy, and even short-term sub-zero temperatures do not hinder growth. Lettuce has a well-developed root system, wax on the leaf surface, and strong drought tolerance, but it is cultivated on fertile and moist soil, with high yield and good quality.

The pH value of the soil filling is appropriate.

1. Lettuce is a kind of vegetable belonging to chrysanthemum, Asteraceae, lettuce, lettuce genus, lettuce species, it is an annual or biennial herbaceous crop, also known as goose cabbage, mark cabbage, lettuce and so on. Lettuce likes to grow in a cold environment, neither cold tolerant, nor heat tolerant, the suitable temperature for its growth is 15-20, and the growth period is about 90-100 days.

2. Lettuce belongs to cold food and is an alkaline food, so the amount of consumption should not be too large, and moderate consumption is the best. In addition, there are many ways to eat, you can eat it raw directly, you can also fry it with minced garlic, you can also eat it when you are shabu-shabu, and it is better to have a cold salad.

<> if you classify it according to the edible organs, lettuce (leaf lettuce) is one of the leafy vegetables.

If it is classified according to botany, lettuce belongs to one of the vegetables of the Asteraceae family.

1. Classification according to edible organs.

1. Root vegetables: mainly refer to vegetables with hypertrophic roots and tomatoes as the main edible parts, including carrots, radish, turnips, jicama, sweet potatoes, etc.

2. Stem vegetables: mainly refer to vegetables with hypertrophic stems as the main edible parts, including lettuce, callus, potato, bamboo shoots, lotus root, ginger, Xianghe, Cigu, taro, onion, garlic, water chestnut, etc.

3. Leafy vegetables: mainly refer to vegetables with fresh and tender leaves and petioles as the main edible parts, including cabbage, lettuce, chrysanthemum, celery, spinach, amaranth, leaf mustard, leaf beet, cabbage, lettuce, green onions, leeks, fennel, etc.

4. Cauliflower: It mainly refers to vegetables whose edible parts are mainly flowers or fat and tender flower branches, including goldenrod, cauliflower, seaweed, etc.

5. Fruits and vegetables: mainly refer to vegetables with fruits and seeds as the main edible parts, including cucumbers, winter melons, Dajing pumpkins, loofahs, bitter gourds, tomatoes, peppers, eggplants, cowpeas, peas, edamame, water chestnuts, etc.

2. According to botanical classification.

1. Cruciferous vegetables: mainly include radish, turnip, Chinese cabbage, cabbage, mustard greens, etc.

2. Umbelliferae vegetables: mainly including celery, carrots, cumin, etc.

3. Solanaceae vegetables: mainly including tomatoes, eggplants, peppers, etc.

4. Cucurbitaceae vegetables: mainly including cucumbers, zucchini, pumpkins, bamboo shoots, winter melons, loofahs, bitter gourds, etc.

5. Leguminous vegetables: mainly include beans, cowpeas, broad beans, edamame, peas, lentils, etc.

6. Lily vegetables: mainly including leeks, green onions, onions, goldenrod, garlic, etc.

7. Asteraceae vegetables: mainly including lettuce, lettuce, chrysanthemum, burdock, Jerusalem artichoke, etc.

8. Chenopodaceae vegetables: mainly including sugar beet, spinach, etc.