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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 Characteristics
Duration: PerennialHabit: Herb
Fruit Type: Capsule
Size Notes: Up to about 2 feet tall.
Bloom Information
Bloom Color: YellowBloom Time: Apr , May , Jun , Jul , Aug , Sep
Distribution
USA: AR , IL , KS , MO , NE , OK , TN , TXGrowing Conditions
Water Use: LowLight Requirement: Sun , Part Shade
Soil Moisture: Dry
Drought Tolerance: High
Benefit
Conspicuous Flowers: yesInteresting Foliage: yes
Attracts: Butterflies , Hummingbirds
Nectar Source: yes
Value to Beneficial Insects
Special Value to Native BeesThis information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
Propagation
Propagation Material: SeedsDescription: 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.
Find Seed or Plants
Order seed of this species from Native American Seed and help support the Wildflower Center.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Lady Bird Johnson Wildflower Center - Austin, TX
NPSOT - Austin Chapter - Austin, TX
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Oenothera macrocarpa ssp. macrocarpa in USDA PlantsFNA: Find Oenothera macrocarpa ssp. macrocarpa in the Flora of North America (if available)
Google: Search Google for Oenothera macrocarpa ssp. macrocarpa
Metadata
Record Modified: 2023-02-21Research By: TWC Staff