Taxon Details

Streptanthus tortuosus ssp. truei

True's mountain jewelflower

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Photo of Streptanthus tortuosus ssp. truei

Taxon Summary:

Streptanthus tortuosus ssp. truei, commonly known as True's mountain jewelflower, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Lower montane coniferous forest, growing at elevations from 765 to 860 meters. Streptanthus tortuosus ssp. truei is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Streptanthus tortuosus Kellogg ssp. truei Al-Shehbaz
Common Name: True's mountain jewelflower
Family:	Brassicaceae
Element Code:	PDBRA2G108
USDA Plants Symbol:
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G5T1T2
State Rank:	S1S2
Other Status:
CRPR Changes: added to 1B.1 on 2016-07-20
Add Date:	2016-07-20
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Jul(Sep)

Elevation:
765 - 860 meters
2510 - 2820 feet

General Habitats:

Lower montane coniferous forest

Microhabitat Details: Partial shade on steep rocky slopes

Microhabitat:

Rocky
Slopes

Notes

Notes: See Harvard Papers in Botany 18(1):13-15 (2013) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	2	50 %
Road/trail construction/maint.	2	50%

Occurrence Data from the CNDDB

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

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	4

Presence:
Presumed Extant	4
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Nevada (NEV), Sierra (SIE)

Quads: Name (Quad Code)
Pike (3912048), Washington (3912037)

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