Species Details

Delphinium hesperium ssp. cuyamacae

Cuyamaca larkspur

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Classification

Scientific Name: Delphinium hesperium Gray ssp. cuyamacae (Abrams) Lewis & Epl.
Common Name: Cuyamaca larkspur
Family:	Ranunculaceae
Element Code:	PDRAN0B0U1
USDA Plants Symbol:	DEHEC
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	CR (1982-07-01)
Global Rank:	G4T2
State Rank:	S2
Other Status:	SB_CalBG/RSABG; SB_CRES; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: perennial herb

Blooming Period: May-Jul

Elevation:
1220 - 1631 meters
4005 - 5350 feet

General Habitats:

Lower montane coniferous forest
Meadows and seeps
Vernal pools

Microhabitat Details:

Microhabitat:

Mesic

Notes

Notes: Threatened by development, grazing, and recreational activities.. See Bulletin of the Torrey Botanical Club 32:538 (1905) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	7
	Total EOs	% of EOs
EOs with Threat Listed:	11	38 %
Recreational use (non-ORV)	5	17%
Development	3	10%
Grazing	3	10%
Foot traffic/trampling	2	6%
Other	2	6%
Logging	1	3%
ORV activity	1	3%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					29
A	B	C	D	X	U
2	4	3	0	1	19

Occurrence Status:
Historical >20 Years	21
Recent <=20 Years	8

Presence:
Presumed Extant	28
Possibly Extirpated	1
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

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

Quads: Name (Quad Code)
Anza (3311656), Boucher Hill (3311638), Cahuilla Mtn. (3311657), Cuyamaca Peak (3211685), Julian (3311615), Monument Peak (3211684), Mount Laguna (3211674), Palomar Observatory (3311637), Santa Ysabel (3311616)

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

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CNPS Rare Plant Inventory