Oldenlandia holstii K.Schum. ex Engl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Oldenlandia species Oldenlandia herbacea Name Homonyms Oldenlandia holstii K.Schum. ex Engl. Oldenlandia holstii K.Schum.