Sweet potato is a modified food storage root. Potato is indeed a stem that grew from stolons, the underground stems. Potato tubers contain buds that produce leaves and stems, whereas roots lack these characteristics. On the other hand, sweet potato is indeed a root that is rich in vitamins and nutrients.
A potato is classified as a stem. Because it has many nodes known as eyes. The space between each eye is internodes. The potato eye grows into a shoot and a new plant.
