. . . . "shan yao" . "Dioscorea batatas" . "Chinese yam" . "Chinese-potato" . "naga-imo" . "Dioscorea opposita auct." . "Dioscorea batatas Decne." . "Dioscorea polystachya Turcz." . "false"^^ . "false"^^ . "Dioscorea polystachya" .