Taxon Report

Clarkia concinna Fisch. & Mey. (Greene) ssp. automixa Bowman

Santa Clara red ribbons

Print Report

Taxon Summary

Clarkia concinna ssp. automixa, commonly known as Santa Clara red ribbons, is a annual herb in the Onagraceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 90 to 1500 meters. Clarkia concinna ssp. automixa is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Clarkia concinna Fisch. & Mey. (Greene) ssp. automixa Bowman
Common Name:	Santa Clara red ribbons
Family:	Onagraceae
Element Code:	PDONA050A1
USDA Plants Symbol:	CLCOA
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: (Apr)May-Jun(Jul)	(Apr)May-Jun(Jul)
Elevation:	90-1500 (295-4920)
General Habitats:	Chaparral, Cismontane woodland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G5?T3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	20
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	1
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	19

Location


California Endemic: True
California Counties and Islands: Name (Code)
Alameda (ALA), San Mateo (SMT), Santa Clara (SCL), Santa Cruz (SCR)
Quads: Name (Quad Code)
Calaveras Reservoir (3712147), Castle Rock Ridge (3712221), Cedar Mtn. (3712155), Cupertino (3712231), Dublin (3712168), Isabel Valley (3712135), La Costa Valley (3712157), Lick Observatory (3712136), Loma Prieta (3712117), Los Gatos (3712128), Mendenhall Springs (3712156), Mindego Hill (3712232), Mississippi Creek (3712124), Mountain View (3712241), Mt. Day (3712146), Mt. Sizer (3712125), Niles (3712158), Oakland East (3712272), San Jose East (3712137), Santa Teresa Hills (3712127)

Threat List Data from the CNDDB


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

Notes



See Madroño 34(1):41-47 (1987) for original description.
Threats:

Taxonomy:

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 30 January 2025].