Taxon  Report   5901 
Oenothera longissima  Rydb.
long evening primrose,  longstem evening primrose
Oenothera longissima, a dicot, is a perennial herb that is native to California and is also found outside of California, but is confined to western North America.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 2.2 (rare, threatened, or endangered in CA; common elsewhere).   7th Edition  /  8th Edition
 

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 Distribution by County 

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 Plant Characteristics
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Bloom Period
Oenothera longissima
© 2011 Ron Wolf
Oenothera longissima
© 2011 Ron Wolf
Communities:
Creosote Bush Scrub, Pinyon-Juniper Woodland, wetland-riparian
Wetlands:Usually occurs in wetlands, but occasionally found in non wetlands [U.S. Fish & Wildlife Service.]
Family: ONAGRACEAE  
Genus: Oenothera
Add an Observation of  Oenothera longissima
 
Name Status:
Accepted by TJM2 + PLANTS + JM93
Other Names:
(according to)

PLANTS: Oenothera longissima ssp. typica
PLANTS: Oenothera longissima var. clutei
TJM2 + PLANTS: Oenothera longissima ssp. clutei
 Information about  Oenothera longissima  from other sources:
USDA PLANTS Profile (OELO)

Nursery availability and horticultural info on CNPLX

Photos on CalPhotos / Google Images

website references on Google
 

Jepson eFlora (TJM2)

Records from the Consortium of California Herbaria

Original Publication citation. on the International Plants Names Index

Search efloras.org (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2014. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Dec 20, 2014).

The information on this page comes from diverse sources. None of the links are sponsored.

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