Coriander, alias coriander, coriander and coriander. It is an annual and biennial herb of dicotyledonous plants, Umbelliferae, Umbelliferae and Coriander, with a strong smell and a height of 20- 100 cm. Roots are spindle-shaped, slender and have many slender branches. The stems are cylindrical, erect, multi-branched, striped and usually smooth. Umbellies are terminal or opposite to leaves, with small umbels and white or lavender flowers. The fruit bends outward when it is ripe. The fruit is spherical, with obvious main edges and adjacent secondary edges on the back. The flowering and fruiting period is April-165438+1October. ?

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Coriander can tolerate the low temperature of-1℃ to 2℃, and the suitable growth temperature is 17℃ to 20℃. When the temperature exceeds 20℃, the growth is slow, and it stops at 30℃. Coriander is not strict with the soil, but the soil with good soil structure, strong fertilizer and water retention performance and high organic matter content is beneficial to the growth of coriander. Originated in the Mediterranean region of Europe, it is cultivated in northeast China, Hebei, Shandong, Anhui, Jiangsu, Zhejiang, Jiangxi, Hunan, Guangdong, Guangxi, Shaanxi, Sichuan, Guizhou, Yunnan, Tibet, Hubei, Henan and other provinces.

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