Species Details

Streptanthus hispidus

Mt. Diablo jewelflower

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Classification

Scientific Name: Streptanthus hispidus Gray
Common Name: Mt. Diablo jewelflower
Family:	Brassicaceae
Element Code:	PDBRA2G0M0
USDA Plants Symbol:	STHI2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: annual herb

Blooming Period: Mar-Jun

Elevation:
365 - 1200 meters
1200 - 3935 feet

General Habitats:

Chaparral
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Rocky

Notes

Notes:
Threats: Possibly threatened by foot traffic.
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	6
	Total EOs	% of EOs
EOs with Threat Listed:	7	88 %
Foot traffic/trampling	7	87%
Other	3	37%
Road/trail construction/maint.	3	37%
Recreational use (non-ORV)	1	12%
Non-native animal impacts	1	12%
Non-native plant impacts	1	12%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					8
A	B	C	D	X	U
0	4	3	1	0	0

Occurrence Status:
Historical >20 Years	6
Recent <=20 Years	2

Presence:
Presumed Extant	8
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Contra Costa (CCA)

Quads: Name (Quad Code)
Clayton (3712188), Diablo (3712178)

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