Edo is also called as taro roots,Taro root can be a great addition to a meal to make it heartier and healthier. Taro root is often substituted for a potato in many recipes, at it is also a starchy vegetable. According to Food Reference, taro roots are tubers that are actually toxic when they are raw and take on a "nut-like flavor when cooked." There are multiple nutritional benefits to the taro root, including the caloric content and the fiber content