Streptanthus callistus

Download Report Calflora eFlora CCH CalPhotos

Scientific Name: Streptanthus callistus Morrison
Common Name: Mt. Hamilton jewelflower
Family:	Brassicaceae
Element Code:	PDBRA2G0A0
USDA Plants Symbol:	STCA3
Synonyms/Other Names:

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G1
State Rank:	S1
Other Status:	BLM_S
CRPR Changes: changed from 1B.3 to 1B.2 on 2024-01-19
Add Date:	1974-01-01
Date Edited:	2024-11-05

Lifeform: annual herb

Blooming Period: Apr-May

Elevation:
600 - 790 meters
1970 - 2590 feet

General Habitats:

Microhabitat Details:

Microhabitat:

Notes: Known only from the Mt. Hamilton Range. Possibly threatened by erosion and road construction and maintenance. See Madroño 4(7):205 (1938) for original description.
Threats:
Taxonomy:

THREAT LIST:
Threat List Total:	3
	Total EOs	% of EOs
EOs with Threat Listed:	2	50 %
Non-native plant impacts	2	50%
Road/trail construction/maint.	1	25%
Erosion/runoff	1	25%

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

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Santa Clara (SCL)

Quads: Name (Quad Code)
Isabel Valley (3712135), Mt. Sizer (3712125)

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

Presumed Extant

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

CNPS Rare Plant Inventory