Taxon Details

Clarkia tembloriensis ssp. calientensis

Vasek's clarkia

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Taxon Summary:

Clarkia tembloriensis ssp. calientensis, commonly known as Vasek's clarkia, is a annual herb in the Onagraceae that is found only in California. It occurs within Valley and foothill grassland, growing at elevations from 275 to 500 meters. Clarkia tembloriensis ssp. calientensis is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Clarkia tembloriensis Vasek ssp. calientensis (Vasek) Holsinger
Common Name: Vasek's clarkia
Family:	Onagraceae
Element Code:	PDONA05141
USDA Plants Symbol:	CLTEC
Synonyms/Other Names: Clarkia calientensis Vasek
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G3T1
State Rank:	S1
Other Status:	BLM_S; SB_CalBG/RSABG
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr

Elevation:
275 - 500 meters
900 - 1640 feet

General Habitats:

Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Notes

Notes: Known from only three occurrences near Caliente Creek. Threatened by grazing and non-native plants. Perhaps best treated as C. calientensis. See Systematic Botany 2:252-255 (1977) for original description and 10(2):155-165 (1985) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	3
	Total EOs	% of EOs
EOs with Threat Listed:	4	67 %
Non-native plant impacts	3	50%
Grazing	2	33%
Road/trail construction/maint.	1	16%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					6
A	B	C	D	X	U
1	0	3	0	0	2

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	6

Presence:
Presumed Extant	6
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Kern (KRN)

Quads: Name (Quad Code)
Bena (3511836), Edison (3511837)

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