Dioscorea baya DeWild. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Dioscoreales family Dioscoreaceae genus Dioscorea species Dioscorea baya Name Synonyms Dioscorea baya var. subcordata DeWild. Homonyms Dioscorea baya De Wild. Dioscorea baya DeWild.