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Oenothera laciniata Hill
Cutleaf evening-primrose, Cut-leaf 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.
Plant CharacteristicsDuration: Annual Habit: Herb Leaf Arrangement: Alternate Leaf Complexity: Simple Leaf Margin:
turning down Fruit: Size Class:
Bloom InformationBloom Color: White , Pink , Yellow
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct
, 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
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
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Herbarium Specimen(s)NPSOT 0551
Collected Apr 8, 1988 in Bexar County by Harry CliffeNPSOT 0594
Collected Apr 28, 1991 in Bexar County by Harry Cliffe
Record Last Modified: 2009-06-02
Research By: NPC