No, usually Huaishan refers to Huaishan yam, yam refers to the iron stick yam, the difference between the two is as follows:

One, the origin is different

The origin is different is the most important difference between the Huaishan yam and the iron stick yam, the Huaishan yam refers to the yam varieties that are now produced in the Jiangsu and Anhui regions of China, the yam is thin and long, the surface appearance of the surface less, but the surface is smoother, and the iron stick yam is The yam is a kind of yam produced in the Jiaozuo area of Henan Province, China This kind of yam is rougher in appearance, and the surface fluff out is longer.

Second, taste and efficacy

There is also a clear difference in taste between the Chinese yam and the iron stick yam, the Chinese yam is more fragile, and the Chinese yam has a softer and more glutinous texture. The nutritional value of Chinese yam is much lower than that of iron yam, and iron yam can be used as medicine while Chinese yam is mostly consumed as a vegetable, which is also an important difference between the two.

Three, different appearance

The surface of Chinese yam is yellowish-white or yellowish, with longitudinal grooves, longitudinal wrinkles and fibrous root scars, and occasional light-brown outer skin residue. Weight, solid texture, not easy to break, white powdery section, with tiny dotted protrusions. Slight gas, light flavor, slightly acidic, chewing sticky. Iron stick yam: shape as its name, is to say that the shape is hard and straight, like an iron rod.

Baidu Encyclopedia - Chinese Yam

Baidu Encyclopedia - Iron Stick Yam