Oenothera viminea (Douglas) A.Nelson & J.F.Macbride Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Myrtales family Onagraceae genus Clarkia species Clarkia purpurea Name Homonyms Oenothera viminea Douglas ex Hook. Oenothera viminea Douglas Oenothera viminea (Douglas) A.Nelson & J.F.Macbride