dioscorea bulbifera plant on farm

traditional starch root herbal medicine liana tropical edible softer voluble vegetable gastronomy land yam bulb apple plant climbing exotic potato food noxious environment herbaceous natural nature wild green invasive vine dioscorea bulbifera lichtwurzel frisch ausgetriebene bulbille lichtyam true family dioscoreaceae villosa cash crops treat diabetes obesity sore throat goiter gastric cancer carcinoma rectum