Taxon Report

Camissoniopsis lewisii (P.H. Raven) W.L. Wagner & Hoch

Lewis' evening-primrose

Print Report

Classification


Scientific Name:	Camissoniopsis lewisii (P.H. Raven) W.L. Wagner & Hoch
Common Name:	Lewis' evening-primrose
Family:	Onagraceae
Element Code:	PDONA030X0
USDA Plants Symbol:
Synonyms/Other Names:	Camissonia lewisii

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Mar-May(Jun)	Mar-May(Jun)
Elevation:	0-300 (0-985)
General Habitats:	Cismontane woodland, Coastal bluff scrub, Coastal dunes, Coastal scrub, Valley and foothill grassland
Microhabitat:	Clay (sometimes), Sandy (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	3
Global Rank:	G4
State Rank:	S4
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	0
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: False
California Counties and Islands: Name (Code)
Los Angeles (LAX), Orange (ORA)*, San Diego (SDG)
Quads: Name (Quad Code)
Alpine (3211677), Anaheim (3311778), Black Star Canyon (3311776), Del Mar (3211782), Encinitas (3311713), Fallbrook (3311743), Hollywood (3411813), Imperial Beach (3211751), Inglewood (3311883), La Jolla (3211772), Los Alamitos (3311871), Morro Hill (3311733), National City (3211761), Newport Beach (3311768), Oceanside (3311724), Orange (3311777), Point Dume (3411817), Point Loma (3211762), Prado Dam (3311786), Rancho Santa Fe (3311712), San Luis Rey (3311723), San Pedro (3311863), San Vicente Reservoir (3211688), Seal Beach (3311861), Tustin (3311767), Venice (3311884)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes



Move to List 4? Location, rarity, and endangerment information needed. Possibly threatened by erosion and recreational activities. Dried material difficult to identify; apparently other taxa are often misidentified as C. lewisii. See Contributions from the U.S. National Herbarium 37(5):275 (1969) for original description.
Threats:

Taxonomy:
Dried material difficult to identify; apparently other taxa are often misidentified as C. lewisii.

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 9 January 2025].