Oenothera nuttallii
| Oenothera nuttallii | |
|---|---|
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| Flowers | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Myrtales |
| Family: | Onagraceae |
| Genus: | Oenothera |
| Species: | O. nuttallii
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| Binomial name | |
| Oenothera nuttallii | |
| Synonyms[2] | |
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Oenothera nuttallii, the white-stemmed evening-primrose, is a species of flowering plant in the evening primrose family.[3] It is native to western Canada (except British Columbia), and the north-central United States, and it has been introduced to Illinois.[2] A perennial reaching 60 cm (24 in), it is found in grasslands, sagebrush steppes, and plains, usually in sandy soils.[3]
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 5 synonyms according to Plants of the World Online.[2]
| Name | Year | Rank | Notes |
|---|---|---|---|
| Anogra nuttalliana Spach | 1835 | species | ≡ hom., nom. superfl. |
| Anogra nuttallii (Torr. & A.Gray) A.Nelson | 1902 | species | ≡ hom. |
| Baumannia nuttalliana Spach | 1835 | species | ≡ hom., nom. superfl. |
| Oenothera albicaulis var. nuttallii Engelm. | 1862 | variety | = het. |
| Taraxia longiflora Raim. | 1893 | species | ≡ hom., nom. superfl. |
| Notes: ≡ homotypic synonym; = heterotypic synonym | |||
References
- ^ NatureServe (5 September 2025). "Oenothera nuttallii". NatureServe Explorer. Arlington, Virginia. Retrieved 13 September 2025.
- ^ a b c d "Oenothera nuttallii Torr. & A.Gray". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 September 2025.
- ^ a b "White-stemmed Evening-primrose — Oenothera nuttallii". Montana Field Guide. Montana Natural Heritage Program. 2023. Retrieved 26 November 2023.