Pilocereus polygonus (Lam.) K.Schum. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Pilosocereus species Pilosocereus polygonus Name Homonyms Pilocereus polygonus (Lam.) Salm-Dyck Pilocereus polygonus (Lam.) K.Schum.