Species Details

Sidalcea keckii

Keck's checkerbloom

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Classification

Scientific Name: Sidalcea keckii Wiggins
Common Name: Keck's checkerbloom
Family:	Malvaceae
Element Code:	PDMAL110D0
USDA Plants Symbol:	SIKE
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	FE (2000-02-16)
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2024-04-02

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-May(Jun)

Elevation:
75 - 650 meters
245 - 2135 feet

General Habitats:

Cismontane woodland
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Clay
Serpentine

Notes

Notes: Rediscovered in 1992 by J. Stebbins and K. Kirkpatrick. Plants from inner north coast ranges may actually be S. diploscypha; needs study. See Contributions from the Dudley Herbarium 3:55-56 (1940) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	6
	Total EOs	% of EOs
EOs with Threat Listed:	6	12 %
Grazing	2	4%
Non-native plant impacts	2	4%
Other	1	2%
Road/trail construction/maint.	1	2%
Agriculture	1	2%
Development	1	2%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					50
A	B	C	D	X	U
2	0	0	1	1	46

Occurrence Status:
Historical >20 Years	22
Recent <=20 Years	28

Presence:
Presumed Extant	49
Possibly Extirpated	0
Presumed Extirpated	1

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Colusa (COL)?, Fresno (FRE), Glenn (GLE), Lake (LAK), Merced (MER), Napa (NAP)?, Solano (SOL)?, Tulare (TUL), Yolo (YOL)?

Quads: Name (Quad Code)
Allendale (3812148), Antioch North (3812117), Bird Valley (3812271), Birds Landing (3812127)?, Capell Valley (3812242), Denverton (3812128), Elk Creek (3912255), Gilmore Peak (3912235)?, Globe (3611817), Guinda (3812272), Humphreys Station (3611984), Jericho Valley (3812274)?, Knoxville (3812273)?, Lake Berryessa (3812252), Lodoga (3912234)?, Merced (3712034), Merritt (3812157), Monticello Dam (3812251)?, Mt. Vaca (3812241), Piedra (3611974), Pine Flat Dam (3611973), Salt Canyon (3912213), Saxon (3812146), Stonyford (3912245), Success Dam (3611818)*, Walter Springs (3812263), White River (3511877), Winters (3812158), Yosemite Lake (3712044)

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