Oenothera longissima Calflora

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Taxon Report

Oenothera longissima Rydb.

Long evening primrose, Longstem evening primrose

2011 Ron Wolf

Oenothera longissima is a perennial herb that is native to California, and also found elsewhere in western North America.

California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).


	Plant Range Observation Search (14 records) Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Oenothera
Family:	Onagraceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

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

Information about Oenothera longissima from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (OELO) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 2B.2 Consortium of California Herbaria 2	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links 2011 Ron Wolf:!2011 Ron Wolf:! null:!null:!

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 12/02/2023).