Dioscorea polystachya species Turcz. [ Dioscorea batatas species Decne.]
      
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12 344913 Dioscorea polystachya species Turcz. Dioscoreaceae
T. Makino, Phan. Pter. Jap. Icon., vol. 2(): : t. 95 (1900-1901) [T. Makino]