Starchy tropical root is a term used to describe two edible root vegetables, CASSAVA and TARO. CASSAVA, also known as yuca or manioc, is a 7-letter root vegetable native to South America. It is a major source of carbohydrates in many tropical countries. TARO, a 4-letter root vegetable, is native to Southeast Asia and is widely cultivated in tropical regions. It is a starchy vegetable with a slightly sweet taste. Both CASSAVA and TARO are important sources of nutrition in many parts of the world.