Taxon Report

Monardella venosa (Torr.) A.C. Sanders & Elvin

veiny monardella

Print Report

Taxon Summary

Monardella venosa, commonly known as veiny monardella, is a annual herb in the Lamiaceae that is found only in California. It occurs within Cismontane woodland, and Valley and foothill grassland, growing at elevations from 60 to 410 meters. Monardella venosa is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Monardella venosa (Torr.) A.C. Sanders & Elvin
Common Name:	veiny monardella
Family:	Lamiaceae
Element Code:	PDLAM18082
USDA Plants Symbol:
Synonyms/Other Names:	Monardella douglasii ssp. venosa

Ecology and Life History


Lifeform:	annual herb
Blooming Period: May-Jul	May-Jul
Elevation:	60-410 (195-1345)
General Habitats:	Cismontane woodland, Valley and foothill grassland
Microhabitat:	Clay
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_CalBG/RSABG; SB_UCBG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	4
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	1
Fair (C)	0
Poor (D)	0
None (X)	2
Unknown (U)	0

Location


California Endemic: True
California Counties and Islands: Name (Code)
Butte (BUT), Sutter (SUT), Tuolumne (TUO), Yuba (YUB)
Quads: Name (Quad Code)
Cherokee (3912165)*, Gilsizer Slough (3912116), Hamlin Canyon (3912166), New Melones Dam (3712085), Olivehurst (3912115), Sutter (3912126), Yuba City (3912125)

Threat List Data from the CNDDB


Threat List Total:	5
EOs with Threat Listed:	Total EOs	% of EOs
	2	50 %
Grazing	2	50%
Mining	1	25%
Agriculture	1	25%
Dam/Inundation	1	25%
Development	1	25%

Notes



Rediscovered in 1992 by B. Castro. See Madroño 40(4):270 (1993) for information on rediscovery.
Threats:
Threatened by nonnative plants and potentially threatened by inappropriate grazing regimes.
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 29 June 2025].