Euphorbia atrorubens Engelm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Euphorbiaceae genus Euphorbia species Euphorbia ipecacuanhae Name Homonyms Euphorbia atrorubens Engelm. ex Boiss. Euphorbia atrorubens Engelm.