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Similar in size and color to the potato, but nuttier in flavor, it is not be confused with the Southern sweet yam or sweet potato. Caribbean yams are served boiled, mashed or baked.

A member of the taro root family, the yautía is the size of a potato, but more pear-shaped. It has a brown fuzzy outer skin. The flesh is white and slimy and is custard-like when cooked. It is one of the most natural thickeners, used to thicken soups, stews, and bean dishes. There is also a purple yautía which is also called mora.

Root vegetable similar in length and shape to a turnip, with scaly yam like skin. Universally made into flour for breads and cakes, and used as a base for tapioca.
www.unicheif.com/caribgloss.htm