Edible tubers are a type of underground plant stem that can be eaten. Common examples include ocas (also known as arracacha or apio), yams, taros, salep, and POTATOES. Ocas are native to the Andes Mountains and have a sweet, nutty flavor. Yams are a starchy root vegetable found in tropical regions and are often used in soups and stews. Taros are a root vegetable native to Southeast Asia and have a sweet, nutty flavor. Salep is a flour made from the dried tubers of certain orchids and is used to make desserts and drinks. POTATOES are a widely cultivated tuber that come in many varieties and are used in a variety of dishes.