Oenothera nuttallii, the white-stemmed evening-primrose, is a species of flowering plant in the evening primrose family. It is native to western Canada (except British Columbia), and the north-central United States, and it has been introduced to Illinois. A perennial reaching , it is found in grasslands, sagebrush steppes, and plains, usually in sandy soils.
Taxonomy Oenothera nuttallii was scientifically described and named John Torrey and Asa Gray in 1840. It is part of the genus Oenothera in the Onagraceae family. It has synonyms according to Plants of the World Online.
Table of Synonyms Name Year Rank Notes Anogra nuttalliana 1835 species ≡ hom., nom. superfl. Anogra nuttallii 1902 species ≡ hom. Baumannia nuttalliana 1835 species ≡ hom., nom. superfl. Oenothera albicaulis var. nuttallii 1862 variety = het. Taraxia longiflora 1893 species ≡ hom., nom. superfl. Notes: ≡ homotypic synonym; = heterotypic synonym
References