Strychnos stenura P.A.Duvign. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Loganiaceae genus Strychnos species Strychnos usambarensis Name Homonyms Strychnos stenura P.A.Duvign. ex Denoel Strychnos stenura P.A.Duvign.