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Oenothera macrocarpa Nutt.
Bigfruit evening-primrose, Missouri evening-primrose, Fluttermill, Big-fruit evening-primrose, Missouri Primrose
Synonyms: Oenothera macrocarpa ssp. macrocarpa, Oenothera missouriensis
USDA Symbol: OEMA
USDA Native Status: Native to U.S.
The perennial big-fruit evening-primrose or Missouri evening-primrose can be trailing or upright, usually growing 8-10 in. high. Its large, 3-4 in. wide, yellow flowers are showy. The four-petaled flowers, which grow from the upper leaf axils, open in the evening and close the next day, sometimes fading reddish. The foliage is narrow, thick and gray-green.
Plant CharacteristicsDuration: Perennial Habit: Herb Size Notes:
8-10 inches tall. Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Apr , May , Jun , Jul , Aug
AR , IL , KS , MO , NE , OK , TN , TX Native Distribution:
S.e. NE to TX, e. to TN; introduced elsewhere Native Habitat:
Limestone glades & bluffs; roadsides; rocky prairies & hillsides USDA Native Status: L48(N)
Growing ConditionsWater Use: Low
Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Rocky, gravelly, or sandy soils. Calcareous, Sandy, Limestone-based, Sandy Loam, Medium Loam
Conditions Comments: Stunning, large, four-petaled yellow flowers open in the early evening on a handsome plant with low, mounding habit. Flowers are open for only one evening, but the plant flowers over a long period of time.
BenefitUse Ornamental: Color, Blooms ornamental, Showy, Attractive, Rock gardens
Use Wildlife: Nectar-Moths
Conspicuous Flowers: yes
Interesting Foliage: yes
Nectar Source: yes
Deer Resistant: Moderate
This plant is easily propagated from seed, sown in spring or fall, or stem
cuttings taken in early summer. Seed Treatment:
No treatment necessary. Commercially Avail:
Prevent complete soil dryness, Remove spent blossoms, Maintain mulch layer, Fertilize in spring with rose food
Herbarium Specimen(s)NPSOT 0759
Collected Apr 24, 1994 in Comal County by Mary Beth White
Wildflower Center Seed BankLBJWC-MLE-2
Collected 2009-06-24 in Lampasas County by Lady Bird Johnson Wildflower Center
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Record Modified: 2009-05-20
Research By: WFS