Hylocereus trigonus Haw. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Selenicereus species Selenicereus triangularis Name Homonyms Hylocereus trigonus (Haw.) Saff. Hylocereus trigonus Haw.