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