Dioscorea cymosula var. longiracemosa 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. longiracemosa Uline ex R.Knuth Dioscorea cymosula var. longiracemosa Uline