Calflora
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, is also found outside of California, but is confined to western North America.
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).   CNPS Inventory
Observation Search
(18 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: ONAGRACEAE  
Genus: Oenothera
Wetlands: Occurs in wetlands

Communities: Creosote Bush Scrub, Pinyon-Juniper Woodland, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF + PLANTS: Oenothera longissima ssp. clutei
PLANTS: Oenothera longissima ssp. typica
PLANTS: Oenothera longissima var. clutei
More information about  Oenothera longissima
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (OELO)


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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Feb 22, 2020).