Exostegia laevigata Bojer Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Cynanchum species Cynanchum eurychiton Name Homonyms Exostegia laevigata Bojer ex Decne. Exostegia laevigata Bojer