Taxon Details

Streptanthus gracilis

alpine jewelflower

View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist

Taxon Summary:

Streptanthus gracilis, commonly known as alpine jewelflower, is a annual herb in the Brassicaceae that is found only in California. It occurs within Subalpine coniferous forest, and Upper montane coniferous forest, growing at elevations from 2800 to 3500 meters. Streptanthus gracilis is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification

Scientific Name: Streptanthus gracilis Eastw.
Common Name: alpine jewelflower
Family:	Brassicaceae
Element Code:	PDBRA2G0K0
USDA Plants Symbol:	STGR3
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: annual herb

Blooming Period: Jul-Aug

Elevation:
2800 - 3500 meters
9185 - 11485 feet

General Habitats:

Subalpine coniferous forest
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Granitic
Rocky

Notes

Notes: See Proceedings of the California Academy of Sciences III(2):285 (1902) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	2	7 %
Foot traffic/trampling	2	6%
Road/trail construction/maint.	1	3%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					29
A	B	C	D	X	U
8	10	3	1	0	7

Occurrence Status:
Historical >20 Years	29
Recent <=20 Years	0

Presence:
Presumed Extant	29
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Fresno (FRE), Inyo (INY), Tulare (TUL)

Quads: Name (Quad Code)
Cedar Grove (3611876), Kearsarge Peak (3611873), Mt. Brewer (3611864), Mt. Clarence King (3611874), Mt. Pinchot (3611884), Sphinx Lakes (3611865), The Sphinx (3611875)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory