Calycophyllum stanleyanum R.H.Schomb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Calycophyllum species Calycophyllum stanleyanum Name Homonyms Calycophyllum stanleyanum M.R.Schomb. Calycophyllum stanleyanum R.H.Schomb.