Celery belongs to Umbelliferae, which has a long planting history and a large planting area in China. It is one of the vegetables that people in China often eat. According to the shape of petiole, celery can be divided into two kinds: native celery (that is, China type) and celery (that is, celery and European type). This celery has a slender petiole, about 100 cm high. According to its petiole color, it can be divided into green celery and white celery.

2. Chrysanthemum morifolium

Chrysanthemum morifolium is an annual or biennial herb of Campanulaceae, Compositae and Chrysanthemum morifolium, with alternate leaves, long pinnate division and yellow or white flowers, which is very similar to Chrysanthemum indicum. In ancient China, chrysanthemum was a court delicacy, so it was also called the emperor's dish. Chrysanthemum has the fragrance of Artemisia and the sweetness of chrysanthemum. Ornamental plants in China gardens. Hebei, Shandong, Shijiazhuang, Hebei and other places are wild.

Step 3: potatoes

Potatoes belong to Panicum of Solanaceae, and their tubers are edible. It is the fourth most important food crop in the world, second only to wheat, rice and corn. The main potato producers are China, Russian, Indian, Ukrainian and American. China is the country with the largest potato output in the world.

4. Cucumber

Cucumber Cucurbitaceae is an annual creeping or climbing herb. Stems and branches are elongated, wrinkled, and white and rough. It is widely cultivated in all parts of China, and cultivated in greenhouses or plastic greenhouses in many areas. Now it is widely planted in temperate and tropical regions. Cucumber is one of the main vegetables in China in summer.

5, leeks

Leek is a perennial herb of Liliaceae, with a strong smell, a recumbent rhizome, narrow conical bulbs and clumps. Scaly skin is yellow-brown, reticulate and fibrous; Leaves basal, strip, flat; Umbel, terminal. Leek has strong adaptability, cold resistance and heat resistance, and is cultivated all over the country.