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Taxon  Report  
Oenothera deltoides  Torr. & Frém.  ssp. howellii  (Munz) W. M. Klein
Antioch dunes evening primrose
Oenothera deltoides ssp. howellii is a perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).
State of California status: Endangered. Federal status: Endangered.
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Observation Search
(46 records)
yellowone or more occurrences
within a 7.5-minute quadrangle
bloom graphic
Bloom Period
Parent: Oenothera deltoides
Genus: Oenothera
Family: Onagraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Habitat: dunes

Communities: Coastal Strand

Name Status:
Accepted by JEF + CNPS + PLANTS
Alternate Names:
PLANTSOenothera deltoides var. howellii
Information about  Oenothera deltoides ssp. howellii from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (OEDEH)

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ID Tips on PlantID.net


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: 05/30/2023).