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Marcus, Joseph A.
Oenothera macrocarpa ssp. macrocarpa
Oenothera macrocarpa Nutt. ssp. macrocarpa
Bigfruit evening-primrose, Fluttermill, Missouri evening primrose
Onagraceae (Evening-Primrose Family)
Synonym(s): Megapterium missouriense, Oenothera missouriensis
USDA Symbol: oemam
USDA Native Status: L48 (N)
Missouri evening primrose is a low, occasionally tufted, smooth to hairy perennial herb 4 to 24 tall. Stems are spreading to ascending from a thick woody root. Leaves are alternate, simple, narrowly lance-shaped to egg-shaped. Flowers are showy, solitary and yellow.
Plant CharacteristicsDuration: Perennial Habit: Herb Size Notes:
1-2 feet. Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: May , Jun , Jul
Growing ConditionsWater Use: Low
Light Requirement: Sun , Part Shade
Soil Moisture: Dry
Drought Tolerance: High
BenefitConspicuous Flowers: yes
Interesting Foliage: yes
Attracts: Butterflies , Hummingbirds
Nectar Source: yes
PropagationPropagation Material: Seeds
Description: Plant seed outside in the fall or early winter.
Seed Treatment: Germination is improved with 4 to 6 weeks of cold moist stratification.
Commercially Avail: yes
Maintenance: Requires little maintenance.
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From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Far South Wholesale Nursery
- Austin, TX
Record Last Modified: 2012-04-12
Research By: TWC Staff