Taxon Report

Orthocarpus bracteosus Benth.

rosy orthocarpus

Print Report

Taxon Summary

Orthocarpus bracteosus, commonly known as rosy orthocarpus, is a annual herb in the Orobanchaceae that is found in California and elsewhere. It occurs within Meadows and seeps, growing at elevations from 1030 to 1850 meters. Orthocarpus bracteosus is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Orthocarpus bracteosus Benth.
Common Name:	rosy orthocarpus
Family:	Orobanchaceae
Element Code:	PDSCR1H030
USDA Plants Symbol:	ORBR
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Jun-Sep	Jun-Sep
Elevation:	1030-1850 (3380-6070)
General Habitats:	Meadows and seeps
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G3
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	added to 2B.2 on 2020-09-04

Occurrence Data from the CNDDB


Total Occurrences:	8
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	2
Unknown (U)	6

Location


California Endemic: False
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD), Plumas (PLU), Siskiyou (SIS)
Quads: Name (Quad Code)
Chester (4012132), City of Mount Shasta (4112233), Crescent Mills (4012018), Davis Creek (4112063), Greenville (4012028), Hotlum (4112243), Lane Reservoir (4112017), Moonlight Peak (4012027), Taylorsville (4012017), Weed (4112244), Westwood East (4012038)

Threat List Data from the CNDDB


Threat List Total:	3
EOs with Threat Listed:	Total EOs	% of EOs
	2	25 %
Altered flood/tidal/hydrologic regime	2	25%
Grazing	2	25%
Other	2	25%

Notes



Possibly threatened by grazing, habitat alteration, non-native plants, and hydrological alterations. See Scrophularineae Indicae 13 (1835) for original description.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2020-09-04

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 4 November 2025].