Plectronia spinosa Klotzsch Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Canthium species Canthium spinosum Name Homonyms Plectronia spinosa (Schumach. & Thonn.) K.Schum. Plectronia spinosa Klotzsch ex Eckl. & Zeyh. Plectronia spinosa Klotzsch