Calycophyllum tubulosum A.Rich. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Pogonopus species Pogonopus tubulosus Name Homonyms Calycophyllum tubulosum A.Rich. ex DC. Calycophyllum tubulosum Seem. Calycophyllum tubulosum A.Rich.