Internally, it has starchy, sweet flesh which, depending upon the pigment concentration, ranges from white through yellow, orange, and purple.
Boniatos, also known as Cuban sweet-potatoes, feature dry, starchy flesh underneath the reddish-brown skin. They have mildly sweet flavor and coked in a similar way like potatoes.
Sweet potato leaves (top greens) are also edible. In fact, the greens contain more nutrients and dietary fiber than some of the green-leafy vegetables