Oenothera rhombipetala

Oenothera rhombipetala
	Close-up of flowers
	Habitat
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Myrtales
Family:	Onagraceae
Genus:	Oenothera
Species:	O. rhombipetala
Binomial name
	Oenothera rhombipetala; Nutt.
Synonyms
	Oenothera heterophylla var. rhombipetala(Nutt.) Fosberg; Raimannia rhombipetala(Nutt.) Rose ex Britton & A.Br.;

Last updated February 12, 2025

Oenothera rhombipetala, the four-point evening-primrose, greater four-point evening-primrose, or diamond petal primrose, is a species of flowering plant in the family Onagraceae.^[2] It is native to the central United States.^[1] A biennial, it is often found alongside roads.^[2] It can grow up to 5 feet (1.5 metres) tall.^[2]

Ecology

The dusk and night flying bee Lasioglossum texanum only collects pollen from the four-point evening-primrose.^[3]

References

1 2 "Oenothera rhombipetala Nutt". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 27 November 2023.
1 2 3 "Oenothera rhombipetala Nutt. ex Torr. & A. Gray". Plant Database. Lady Bird Johnson Wildflower Center. 21 February 2023. Retrieved 27 November 2023. Fourpoint Evening-primrose, Four-point Evening Primrose, Diamond Petal Primrose, Greater Four-point Evening-primrose
↑ Kerfoot, William B. (1967). "Nest Architecture and Associated Behavior of the Nocturnal Bee, Sphecodogastra texana (Hymenoptera: Halictidae)". Journal of the Kansas Entomological Society. 40 (1): 84–93. ISSN 0022-8567. JSTOR 25083600.

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[POWO_281546-2-1] 1 2 "Oenothera rhombipetala Nutt". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 27 November 2023.

[OERH-2] 1 2 3 "Oenothera rhombipetala Nutt. ex Torr. & A. Gray". Plant Database. Lady Bird Johnson Wildflower Center. 21 February 2023. Retrieved 27 November 2023. Fourpoint Evening-primrose, Four-point Evening Primrose, Diamond Petal Primrose, Greater Four-point Evening-primrose

[3] Kerfoot, William B. (1967). "Nest Architecture and Associated Behavior of the Nocturnal Bee, Sphecodogastra texana (Hymenoptera: Halictidae)". Journal of the Kansas Entomological Society. 40 (1): 84–93. ISSN 0022-8567. JSTOR 25083600.

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