Vibrant yellow to orange flesh, an elongated shape and distinctly sweet flavor characterize the typical sweet potato. Not to be confused with a yam, sweet potatoes tend to be less starchy than yams and their flesh a brighter color. They have been a domesticated food crop for millennia, and likely originated in either Central or South America. Sweet potatoes require a considerable quantity of water to grow, and thus are more common in tropical climates as a crop. They are extremely versatile, and lend themselves well to baking, steaming, frying, and most other cooking techniques.