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