Euphorbia retusa (L.) Cav. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Euphorbiaceae genus Euphorbia species Euphorbia exigua Name Homonyms Euphorbia retusa Forssk. Euphorbia retusa (L.) Cav. Euphorbia retusa M.Bieb., 1808