Taxon Details

Castilleja schizotricha

split-hair paintbrush

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Taxon Summary:

Castilleja schizotricha, commonly known as split-hair paintbrush, is a perennial herb (hemiparasitic) in the Orobanchaceae that is found in California and elsewhere. It occurs within Upper montane coniferous forest, growing at elevations from 1500 to 2300 meters. Castilleja schizotricha is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification

Scientific Name: Castilleja schizotricha Greenm.
Common Name: split-hair paintbrush
Family:	Orobanchaceae
Element Code:	PDSCR0D2Y0
USDA Plants Symbol:	CASC20
Synonyms/Other Names: Castilleja arachnoidea ssp. schizotricha
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S2S3
Other Status:	SB_BerrySB
CRPR Changes: changed from 4.3 to 1B.3 on 2022-02-18
Add Date:	1984-01-01
Date Edited:	2023-11-08

Ecology and Life History

Lifeform: perennial herb (hemiparasitic)

Blooming Period: Jul-Aug

Elevation:
1500 - 2300 meters
4920 - 7545 feet

General Habitats:

Upper montane coniferous forest

Microhabitat Details: Often marble

Microhabitat:

Carbonate (often)
Decomposed granitic
Serpentine (often)

Notes

Notes: Previously CRPR 4.3; changed to 1B due to its very limited range and scattered distribution.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					30
A	B	C	D	X	U
0	0	0	0	0	30

Occurrence Status:
Historical >20 Years	13
Recent <=20 Years	17

Presence:
Presumed Extant	30
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Siskiyou (SIS)

Quads: Name (Quad Code)
Boulder Peak (4112351), Devils Punchbowl (4112376), Figurehead Mtn. (4112383), Grider Valley (4112362), Kangaroo Mtn. (4112382), Marble Mountain (4112352), Medicine Mtn. (4112343), Preston Peak (4112375), Ukonom Lake (4112353)

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 Status Review:	Proposed Change from CRPR 4.3, G4 / S3 to 1B.3, G3 / S3 (2018)
Original Description:	Botanical Gazette 53(6): 511 (1912)
Species Account:	Account for potential SCC evaluation (2021)

CNPS Rare Plant Inventory