Oenothera perennis is a species of flowering plant in the family Onagraceae and is native to the eastern United States and Canada.[1][2] Its common names include little evening primrose,[3] small sundrops,[4] and small evening primrose. Its native habitats include shaly slopes, moist or dry fields, pastures and roadsides. Oenothera perennis is a perennial herb.[5] It has yellow flowers that open during the day and close at night. Each flower has four petals that are notched at the tip with veins radiating from the base.[6]
| Oenothera perennis | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Myrtales |
| Family: | Onagraceae |
| Genus: | Oenothera |
| Species: | O. perennis
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| Binomial name | |
| Oenothera perennis | |
References
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Wikimedia Commons has media related to Oenothera perennis.
- ^ "Oenothera perennis". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 21 January 2018.
- ^ Oenothera perennis. NatureServe. 2012.
- ^ USDA, NRCS (n.d.). "Oenothera perennis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 30 January 2016.
- ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 26 June 2015. Retrieved 17 October 2014.
- ^ "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2021-11-28.
- ^ "Oenothera perennis (Small Sundrops): Minnesota Wildflowers". www.minnesotawildflowers.info. Retrieved 2021-11-28.
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