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shale barren evening primrose (Oenothera argillicola)

Oenothera argillicola is a yellow-flowered perennial or biennial herb native to the dry, rocky shale barrens of the Appalachian Mountains in eastern North America.

Above information is sourced from Wikipedia

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Taxonomy
  • kingdomPlantae
  • divisionTracheophyta
  • classMagnoliopsida
  • orderMyrtales
  • familyOnagraceae
  • genusOenothera
  • speciesOenothera argillicola