SimplePlant

Onagraceae

Longflower evening primrose

Oenothera affinis Cambess.

Family
Onagraceae
Genus
Oenothera

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Longflower evening primrose: Oenothera affinis , from the high altiplano of Salta Province, Argentina. In context at http://www.dixpix.ca/sth_cordillera/flora/evenprim/index.html
Photo: Dick Culbert, CC BY 2.0, from Wikimedia Commons

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Common names

By language (1)
English
Longflower evening primrose

Synonyms

  • Oenothera berteroana Spach
  • Oenothera diplotricha Domin
  • Oenothera polymorpha H.Lév.
  • Oenothera polymorpha var. arechavaletae H.Lév.
  • Oenothera polymorpha var. berteroana (Spach) H.Lév.
  • Oenothera polymorpha var. sellowii H.Lév.
  • Oenothera sellowii Link & Otto ex Steud.
  • Raimannia berteroana (Spach) Sprague & L.Riley

Characteristics

Growth habit
Forb/herb
Lifespan
Annual
In the US and Canada
Hawaii: introduced

Photos

More in Oenothera

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.