The name “yucca” is a broad genus of plants of the Asparagaceae family, while yuca is a part of the cassava plant. The Yucca plant is native to the southeastern United States, whereas the yuca is native to South America. Unlike yucas, yuccas don’t have an edible root. It is more common for yucas to be used for cooking purposes, as they have high nutritional value. Yucca consumption may lead to nausea and vomiting since parts of the plant may be toxic.