Dioscorea cymosula var. duchassaingii Uline Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Dioscoreales family Dioscoreaceae genus Dioscorea species Dioscorea cymosula Name Homonyms Dioscorea cymosula var. duchassaingii Uline ex R.Knuth Dioscorea cymosula var. duchassaingii Uline