This flowering plant has dark green vines and leaves that vary in size and shape — though it’s best known for its tuberous roots, which have been used in folk medicine since the 18th century to treat ...

Sweet potatoes and yams are often confused, but they are botanically different plants. True sweet potatoes are native to the Americas, while true yams originate from Africa and Asia. The canned "yams" ...

When it comes to root vegetables, two of the nutrient-rich items that are often neglected are sweet potato and yam. While they might look alike, the truth is they both are very different in taste, ...

Soaring demand and extreme weather worsened by climate change have wiped out harvests of the popular purple yam. Soaring demand and extreme weather worsened by climate change have wiped out harvests ...