Tarenna cinerea Craib Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Fl. Siam. 2: 88 (1932) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Tarenna species Tarenna cinerea Name Synonyms Tarenna pubescens Craib Homonyms Tarenna cinerea Craib Tarenna cinerea (A.Rich. ex DC.) Bremek. Tarenna cinerea (A.Rich. ex DC.) Homolle