Native Plants
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Oenothera argillicola
Oenothera argillicola Mack.
Shale Barren Evening Primrose, Shale-barren Evening-primrose
Onagraceae (Evening Primrose family)
Synonym(s): Oenothera argillicola var. pubescens
USDA Symbol: OEAR
USDA Native Status: L48 (N)
From the Image Gallery
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Plant Characteristics
Duration: BiennialHabit: Herb
Fruit Type: Capsule
Size Notes: Up to about 5 feet tall.
Bloom Information
Bloom Color: YellowBloom Time: Jul , Aug , Sep
Distribution
USA: MD , PA , VA , WVNative Habitat: Open, dry slopes, banks and cliffs with shale substrate.
Web Reference
Webref 134 - Shalebarren EveningPrimrose (Oenothera argillicola) (2007) Pennsylvania Natural Heritage ProgramWebref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Oenothera argillicola in USDA PlantsFNA: Find Oenothera argillicola in the Flora of North America (if available)
Google: Search Google for Oenothera argillicola
Metadata
Record Modified: 2021-06-02Research By: CBR