Taxon Details

Castilleja affinis var. neglecta

Tiburon paintbrush

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Taxon Summary:

Castilleja affinis var. neglecta, commonly known as Tiburon paintbrush, is a perennial herb (hemiparasitic) in the Orobanchaceae that is found only in California. It occurs within Valley and foothill grassland, growing at elevations from 60 to 400 meters. Castilleja affinis var. neglecta is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Castilleja affinis Hook. & Arn. var. neglecta (Zeile) J.M. Egger
Common Name: Tiburon paintbrush
Family:	Orobanchaceae
Element Code:	PDSCR0D013
USDA Plants Symbol:
Synonyms/Other Names: Castilleja neglecta Zeile Castilleja affinis ssp. neglecta
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	FE (1995-02-03)
State List:	CT (1990-01-01)
Global Rank:	G4G5T1T2
State Rank:	S1S2
Other Status:	SB_CalBG/RSABG; SB_UCBG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb (hemiparasitic)

Blooming Period: Apr-Jun

Elevation:
60 - 400 meters
195 - 1310 feet

General Habitats:

Valley and foothill grassland (serpentinite)

Microhabitat Details:

Microhabitat:

Notes

Notes: Threatened by development, gravel mining, grazing, and non-native plants. See C. affinis ssp. neglecta in TJM 2. See Phytologia 90(1):63-81 (2008) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	9
	Total EOs	% of EOs
EOs with Threat Listed:	7	100 %
Non-native plant impacts	5	71%
Other	3	42%
Grazing	3	42%
Development	2	28%
Foot traffic/trampling	2	28%
ORV activity	2	28%
Feral pigs	1	14%
Landfill	1	14%
Mining	1	14%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					7
A	B	C	D	X	U
2	4	1	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	7

Presence:
Presumed Extant	7
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Marin (MRN), Napa (NAP), Santa Clara (SCL)

Quads: Name (Quad Code)
Cordelia (3812222), Morgan Hill (3712126), San Geronimo (3812216), San Quentin (3712284)

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 Rare Plant Inventory