Cynanchum luteolum Vahl Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Oxypetalum species Oxypetalum commersonianum Name Homonyms Cynanchum luteolum Vahl ex Decne. Cynanchum luteolum Vahl