Are there thorns on wild yam vines?

Yes The thorns on wild yam vines are one of the protection mechanisms, which can effectively prevent them from being eaten by animals. In the wild, yam vines grow in various environments, and sometimes they need to climb to a higher position to get more sunshine and nutrition. At this time, they need to rely on the thorns on the vines to climb. In addition, these thorns can help prevent yam vines from being infected with germs and pests and ensure the growth quality of yam. In short, wild yam vines have thorns because they gradually form a kind of self-protection in the process of evolution and adaptation to the environment.