Species Details

Streptanthus callistus

Mt. Hamilton jewelflower

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Scientific Name:
Streptanthus callistus Morrison
Common Name:
Mt. Hamilton jewelflower
Family: Brassicaceae
Element Code: PDBRA2G0A0
USDA Plants Symbol: STCA3
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Apr-May
Elevation:
600 - 790 meters
1970 - 2590 feet
General Habitat:
  • Chaparral
  • Cismontane woodland
General Micro Habitat:
Micro Habitat:
Notes:
Known only from the Mt. Hamilton Range. Possibly threatened by erosion and road construction and maintenance. See MadroƱo 4(7):205 (1938) for original description.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
1 2 0 0 0 1
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 4
Presence:
Presumed Extant 4
Possibly Extirpated 0
Presumed Extirpated 0
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.

Map

Presumed Extant
Counties   Quads