Psychotria horizontalis Spreng. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Psychotria species Psychotria nervosa Name Homonyms Psychotria horizontalis Sw. Psychotria horizontalis Spreng. ex DC. Psychotria horizontalis Spreng.