Starchy tubers are a type of root vegetable that are high in carbohydrates and provide a good source of energy. Yams, taro, and salep are all examples of starchy tubers. Yams are a tropical tuber that is native to Africa and Asia and is often used in Caribbean cuisine. Taro is a root vegetable that is native to Southeast Asia and is often used in Asian cuisine. Salep is a flour made from the dried tubers of certain orchids and is used in Middle Eastern and Turkish cuisine.