Oenothera distorta H.J.Veitch Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Myrtales family Onagraceae genus Camissoniopsis species Camissoniopsis bistorta Name Homonyms Oenothera distorta H.J.Veitch ex Vilm. Oenothera distorta H.J.Veitch