Also known as sweet potato, yam, groundnut, red yam, string yam, white yam, golden yam, honey yam, and pillow yam.A common perennial dicotyledonous plant, herbaceous, with slender stems that creep along the ground.Roots are produced, undergoing anaerobic respiration to produce lactic acid, skin color can be white or red, flesh is mostly off-white but can also be purple; besides food use, it can also be used for sugar production and alcohol distillation.