Willughbeia flavescens Dyer Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Willughbeia species Willughbeia flavescens Name Homonyms Willughbeia flavescens Dyer Willughbeia flavescens Dyer ex Hook.fil.