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