Taxon Details

Caulanthus major var. nevadensis

slender jewelflower

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Taxon Summary:

Caulanthus major var. nevadensis, commonly known as slender jewelflower, is a perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Pinyon and juniper woodland, growing at elevations from 1705 to 2895 meters. Caulanthus major var. nevadensis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Caulanthus major (Jones) Pays. var. nevadensis Roll.
Common Name: slender jewelflower
Family:	Brassicaceae
Element Code:	PDBRA0M0F1
USDA Plants Symbol:	CAMAN
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4T3?
State Rank:	S3?
Other Status:
CRPR Changes: changed from 4.3 to 4.3 on 2013-02-28
Add Date:	2001-01-01
Date Edited:	2023-08-01

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Sep

Elevation:
1705 - 2895 meters
5595 - 9500 feet

General Habitats:

Pinyon and juniper woodland (often rocky)

Microhabitat Details:

Microhabitat:

Notes

Notes: Candidate for state listing in OR. Allopatric with C. major var. major. A synonym of C. major in TJM 2 . See The Cruciferae of Continental North America: Systematics of the Mustard Family from the Arctic to Panama (1993) by R.C. Rollins for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

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

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

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

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

California Counties and Islands: Name (Code)
Alpine (ALP), Lassen (LAS)

Quads: Name (Quad Code)
Buckhorn Canyon (4012071), Doyle (4012011), Fredonyer Peak (4012065), Heenan Lake (3811966), Observation Peak (4012072), Shaffer Mtn. (4012043), Shinn Mtn. (4012062), Spalding Tract (4012067)

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