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 ...

Yams are tuber vegetables (the type that grows mostly underground) native to Africa and Asia. There are over 600 species of yam, but only 15-20 are edible. Sweet potatoes are often mistaken for yams ...

Purple yams, or ube, are nutritious, versatile, and starchy root vegetables. They are loaded with antioxidants that may help reduce blood pressure and blood sugar levels. Dioscorea alata is a species ...