Royena usambarensis Gürke ex Engl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Ericales family Ebenaceae genus Diospyros species Diospyros loureiroana Name Homonyms Royena usambarensis Gürke Royena usambarensis Gürke ex Engl.