Dioscorea batatas subsp. flabellata Makino Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Dioscoreales family Dioscoreaceae genus Dioscorea species Dioscorea polystachya Name Homonyms Dioscorea batatas f. flabellata Makino Dioscorea batatas subsp. flabellata Makino