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