Dioscorea caillei A.Chev. ex DeWild. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Dioscoreales family Dioscoreaceae genus Dioscorea species Dioscorea togoensis Name Homonyms Dioscorea caillei A.Chev. ex De Wild. Dioscorea caillei A.Chev. Dioscorea caillei A.Chev. ex DeWild.