Species Details

Clarkia delicata

delicate clarkia

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Classification

Scientific Name: Clarkia delicata (Abrams) Nels. & Macbr.
Common Name: delicate clarkia
Family:	Onagraceae
Element Code:	PDONA050D0
USDA Plants Symbol:	CLDE2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	BLM_S; SB_CRES
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Jun

Elevation:
235 - 1000 meters
770 - 3280 feet

General Habitats:

Chaparral
Cismontane woodland

Microhabitat Details:

Microhabitat:

Gabbroic (often)

Notes

Notes: Threatened by development, non-native plants, road improvement/maintenance, and vehicles. Potentially threatened by frequent wildfires.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	8
	Total EOs	% of EOs
EOs with Threat Listed:	26	19 %
Development	9	6%
Road/trail construction/maint.	9	6%
Other	7	5%
Recreational use (non-ORV)	2	1%
Non-native plant impacts	2	1%
ORV activity	2	1%
Foot traffic/trampling	1	0%
Grazing	1	0%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					140
A	B	C	D	X	U
6	17	3	1	1	112

Occurrence Status:
Historical >20 Years	48
Recent <=20 Years	92

Presence:
Presumed Extant	139
Possibly Extirpated	0
Presumed Extirpated	1

Location

California Endemic:

California Island:

States: Name (Code)
Baja California (BA), California (CA)

California Counties and Islands: Name (Code)
San Diego (SDG)

Quads: Name (Quad Code)
Alpine (3211677), Barrett Lake (3211666), Boucher Hill (3311638), Cameron Corners (3211664), Campo (3211654), Cuyamaca Peak (3211685), Descanso (3211675), Dulzura (3211667), El Cajon (3211678), El Cajon Mtn. (3211687), Escondido (3311711), Jamul Mountains (3211668), Julian (3311615), La Mesa (3211771), Mesa Grande (3311627), Morena Reservoir (3211665), Mount Laguna (3211674), Otay Mountain (3211657), Pala (3311731), Palomar Observatory (3311637), Pechanga (3311741), Potrero (3211655), Ramona (3311617), Rodriquez Mtn. (3311628), San Pasqual (3311618), San Vicente Reservoir (3211688), Santa Ysabel (3311616), Sombrero Peak (3211673), Tecate (3211656), Tule Springs (3211686), Viejas Mountain (3211676), Warner Springs (3311636)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory