The former is fungi, not plants, so there is no root, is parasitic in the roots of pine fungi.
The latter is a kind of vine, which has the characteristics of root, leaf and so on. Root shape for a section, you can see the obvious section, while there are some small fibrous roots long in the above
The former is round or oblong in shape. It looks like sweet potato on the outside. The outside is yellow brown. After cutting, you can see that the material inside is white, similar to the color of tofu.
Although the appearance of Smilax cocos is slightly similar to the former, its exterior color is yellow brown, and the material inside is light yellow after cutting.