Dioscorea ovata Ham. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Dioscoreales family Dioscoreaceae genus Dioscorea species Dioscorea ovata Name Homonyms Dioscorea ovata Vell. Dioscorea ovata Ham. ex Hook.f., 1892 Dioscorea ovata Ham.