Taxon  Report   5882 
Oenothera biennis  L.
Common evening primrose,  Small flowered evening primrose
Oenothera biennis
© 2007 Louis-M. Landry
Click on a photo to see it bigger.
Oenothera biennis
© 2006 Louis-M. Landry
Oenothera biennis
© Nick Kurzenko
Oenothera biennis, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map

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Plant Characteristics
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Bloom Period
Oenothera biennis
© 2006 Louis-M. Landry
Genus: Oenothera
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Oenothera biennis ssp. caeciarum
PLANTS: Oenothera biennis ssp. centralis
PLANTS: Oenothera biennis var. pycnocarpa
PLANTS: Oenothera muricata
PLANTS: Oenothera pycnocarpa
More information about  Oenothera biennis
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 23, 2016).

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