Between the axils of the leaves of the Dioscorea plant, kidney-shaped or ovate cormels often grow, known as"lingewuzi", commonly called"shanyouben". They have medicinal nourishing effects.Shanyouben tastes sweet and has a neutral nature, entering the spleen, lung, and kidney meridians, nurturing the lungs, replenishing yin, and tonifying the kidneys while consolidating essence.