Landolphia thouarsii Pierre ex DeWild. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Landolphia species Landolphia myrtifolia Name Homonyms Landolphia thouarsii Pierre ex De Wild. Landolphia thouarsii Pierre Landolphia thouarsii Pierre ex DeWild.