Taxon  Report   1420 
Camissonia contorta  (Douglas) Raven
Contorted sun cup,  Plains evening primrose
Camissonia contorta
© 2009 Keir Morse
Click on a photo to see it bigger.
Camissonia contorta
© 2015 Debra L. Cook
Camissonia contorta
© 2014 Jean Pawek
Camissonia contorta, a dicot, is an annual herb that is native to California and is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
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Plant Characteristics
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Bloom Period
Camissonia contorta
© 2009 Keir Morse
Genus: Camissonia
Sagebrush Scrub, Yellow Pine Forest
Distribution by County 

Add an Observation of  Camissonia contorta

Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Oenothera dentata
TJM2 + PLANTS: Oenothera contorta
TJM2 + PLANTS: Oenothera cruciata
TJM2: Oenothera strigulosa
More information about  Camissonia contorta
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2017. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Apr 27, 2017).

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