What is yam? How many kinds of yam are there?

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1. What is

2. There are several types

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Yam is a plant that can be used as both food and medicine. Its shape is cylindrical, generally straight, with a yellow-white or light yellow outer skin, and a length of about 15-30 cm. The texture is relatively solid, the inside is white, the taste is relatively light, and it is sticky. Its main producing areas are Hebei, Henan, and Guangxi. It likes to grow in warm places. It is afraid of cold climate in winter and cannot tolerate frost.

1. What is

1. What is it

1. Form: Yam is a plant that can be used as both food and medicine. It is very common in life. It belongs to the dry rhizome of the Dioscoreaceae plant. It is cylindrical in shape, generally straight and slightly curved. The outer skin is yellow-white or light yellow, with longitudinal grooves on it and some fibrous roots. The length is about 15-30 meters. About 1.5-6cm in diameter. The texture is relatively solid and heavy, the inside is white, the taste is relatively light, slightly sour, and sticky.

2. Origin: Its main origin is Hebei and Henan , Guangxi, and other places such as Zhejiang, Hunan, Sichuan, Shandong, Guizhou, Shanxi, and Shaanxi are also cultivated.

3. Habits: It likes to grow in warm places and full sunshine. It requires fertile, loose soil and good drainage. It is afraid of cold weather in winter and cannot tolerate frost.

2. There are several kinds

Yam is mainly divided into two species, one is common yam and the other is field potato, and there are five varieties. The subdivided varieties mainly include sesame yam, iron stick yam, water yam, small white mouth yam, fine hair yam, etc. These varieties are relatively common.

2. There are several types

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