Oenothera laciniata Hill
Cutleaf evening-primrose, Cut-leaved evening primrose
Onagraceae (Evening-Primrose Family)
Synonym(s): Raimannia laciniata
USDA Symbol: oela
The cut-leaved evening primrose grows 4–18 inches high, erect or prostrate. Leaves are alternate, simple, pinnately cleft into rounded lobes, or sometimes merely wavy-edged or toothed. Usually they are about 2 inches long and 1/2 inch wide. The small, pale yellow flowers are borne singly in the axils, with 4 heart shaped petals 1/5–3/5 inch long, 8 stamens, and 1 pistil. They have 4 pinkish sepals, united at the base to form a tube.
From the Image Gallery
Plant CharacteristicsDuration: Annual
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Margin: Cleft
Flower: 4 sepals turning down
Size Class: 0-1 ft.
Bloom InformationBloom Color: White , Pink , Yellow
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct
DistributionUSA: AL , AR , CA , CT , DC , DE , FL , GA , HI , IA , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , ND , NE , NJ , NM , NY , OH , OK , PA , SC , SD , TN , TX , VA , VT , WI , WV , WY
Native Habitat: Almost all of North America east of the Rocky Mountains and some areas west of the Rockies. Found on disturbed ground, fields, and fencerows. Grows in well drained sandy and limestone soils.
Growing ConditionsLight Requirement: Part Shade
Conditions Comments: Leaves are narrow with toothed to deeply lobed margins. They have a distinctive white midvein. The pale yellow flowers have pinkish sepals and open in the evening withering the next morning. The fruit is an elongated, curved pod. Seed in spring.
BenefitConspicuous Flowers: yes
Value to Beneficial InsectsSpecial Value to Native Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
PropagationPropagation Material: Root Division
Maintenance: Prevent complete soil dryness, Maintain mulch layer, Remove spent blossoms, Fertilize in spring with rose food
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National Wetland Indicator Status
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Fredericksburg Nature Center - Fredericksburg, TX
Lady Bird Johnson Wildflower Center - Austin, TX
Pineywoods Native Plant Center - Nacogdoches, TX
Brackenridge Field Laboratory - Austin, TX
Stengl Biological Research Station - Smithville, TX
Herbarium Specimen(s)NPSOT 0594 Collected Apr 28, 1991 in Bexar County by Harry Cliffe
NPSOT 0551 Collected Apr 8, 1988 in Bexar County by Harry Cliffe
BibliographyBibref 766 - Dale Groom's Texas Gardening Guide (2002) Groom, D.
Bibref 281 - Shinners & Mahler's Illustrated Flora of North Central Texas (1999) Diggs, G. M.; B. L. Lipscomb; B. O'Kennon; W. F...
Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. Loughmiller
Bibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.
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Research LiteratureReslit 474 - Effects of arbuscular mycorrhizae on the establishment of the alien plant Oenothera laciniata (Onagraceae) on a Japanese coastal sand dune (2005) Y. Funatsu, T. Nakatsubo, O. Yamaguchi and T. Hori...
Reslit 278 - Influence of environmental factors on cutleaf eveningprimrose (Oenothera laciniata) germination, emergence, development, vegetative growth, and control (2007) S. B. Clewis, D. L. Jordan, J. F. Spears and J. W....
Reslit 1309 - Allelopathy of bermudagrass, tall fescue, redroot pigweed, and cutleaf evening primrose on pecan (2001) M. W. Smith, M. E. Wolf, B. S. Cheary and B. L. Ca...
Reslit 1537 - Cutleaf evening primrose and Palmer amaranth reduce growth of nonbearing pecan trees (1999) M. E. Wolf and M. W. Smith
Reslit 1678 - Phenology and growth in four annual species grown in ambient and elevated CO2 (1991) E. G. Reekie and F. A. Bazzaz
Reslit 1826 - Association of Alleles with Chromosomal Complexes in the Permanent Translocation Heterozygote, Oenothera laciniata (1980) N. C. Ellstrand and D. A. Levin
Reslit 2243 - Evolution of Oenothera laciniata (Onagraceae), a Permanent Translocation Heterozygote (1980) N. C. Ellstrand
Reslit 2396 - Genotypic Diversity in Oenothera laciniata (Onagraceae), a Permanent Translocation Heterozygote (1982) N. C. Ellstrand and D. A. Levin
This information was provided by the Florida WIldflower Foundation.
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Additional resourcesUSDA: Find Oenothera laciniata in USDA Plants
FNA: Find Oenothera laciniata in the Flora of North America (if available)
Google: Search Google for Oenothera laciniata
MetadataRecord Modified: 2014-10-14
Research By: NPC