Oenothera biennis f. erythrosepala (Borbás) Javorka Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Myrtales family Onagraceae genus Oenothera species Oenothera glazioviana Name Homonyms Oenothera biennis f. erythrosepala (Borbás) Jáv., 1924