The pinyin for coriander is [yán sui].

Expanded Knowledge:

Coriander is an annual or biennial herb of the genus Coriander in the family Umbelliferae. The stem is erect cylindrical, much branched and striped, and usually smooth. The leaves are imparipinnately divided with bluntly serrated, notched or y lobed margins. Flowers are white or lilac in color, with obovate petals and concave ligules at the tips, usually entire. The fruit is globose, with the primary and adjacent secondary ribs conspicuous on the abaxial surface. The flowering and fruiting period is from April to November.

Coriander, also known as cilantro, the ancient name of coriander, Zhang Qian made the western region to get the seed return, so the name, the Guangdong people called Wuxi. Coriander is native to the Mediterranean region of Europe, and is now cultivated in the northeast of China, Anhui, Zhejiang and other provinces and regions. Coriander is a cold-hardy vegetable, preferring cooler climates and being more cold-tolerant. It is not high on the soil requirements, loose and deep soil can be planted coriander, and fertile, loose and airy sandy soil is good, so more distributed in the hillside roadside, open field or field.

Coriander grass can be used as medicine, have published through the rash, the efficacy of the stomach, from the table out of the body and can be appetizing to eliminate depression can also relieve pain and detoxification, "Compendium of Materia Medica" said "coriander flavor pungent and warm incense, internal through the heart and spleen, outside the limbs. According to records, guanpazi is one of the earliest spices in the world, and was cultivated in Egypt 3,500 years ago. Today, coriander is used in large quantities all over the world, especially in Indian and Thai cuisine, where it is one of the most commonly used and important herbs.

Coriander belongs to the genus Coriander in the family Umbelliferae, and has a very common and straightforward alias "cilantro". Originally, the Chinese called coriander caraway, which is called "gosniz" in Persian. Some people claim that it was brought back by Zhang Qian after his mission to the Western Regions, but there are no conclusive records, so there are many people who believe that it was introduced to China after Zhang Qian. Northern Wei agronomist Jia Si-feng wrote "Qimin Yaojutsu" in the "planting caraway": "caraway is suitable for black and soft green sand good ground, three times ripe plow. Under the shade of trees, get; grass and beans, also get."