Species Details

Streptanthus albidus ssp. albidus

Metcalf Canyon jewelflower

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Photo of Streptanthus albidus ssp. albidus
© 2015 Aaron Schusteff
Photo of Streptanthus albidus ssp. albidus
© 2015 Neal Kramer
Scientific Name:
Streptanthus albidus Greene ssp. albidus
Common Name:
Metcalf Canyon jewelflower
Family: Brassicaceae
Element Code: PDBRA2G011
USDA Plants Symbol: STALA
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: FE (1995-02-03)
State List: None
Global Rank: G2T1
State Rank:
S1
Other Status: SB_CalBG/RSABG; SB_UCBG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-05-26
Lifeform: annual herb
Blooming Period: Apr-Jul
JFMAMJJASOND
Elevation:
45 - 800 meters
150 - 2625 feet
General Habitats:
  • Valley and foothill grassland (serpentinite)
Microhabitat Details:
Microhabitat:
Notes:
Threatened by residential development, road construction, vehicles, and non-native plants. A synonym of S. glandulosus ssp. albidus in TJM 2; further study is underway to determine its relationship to the S. glandulosus complex. See Pittonia 1:62 (1887) for original description, MadroƱo 14(7):217-227 (1958) for taxonomic treatment, and Systematic Botany 19(4):557-574 (1994) for discussion of S. glandulosus complex.
Threats:
Taxonomy:
Threat List Total: 10
Total EOs % of EOs
EOs with Threat Listed: 13 100 %
THREAT LIST:
Non-native plant impacts 11 84%
Development 6 46%
Grazing 6 46%
Road/trail construction/maint. 6 46%
Other 2 15%
Total Occurrences: 13
Element Occurrence Ranks:
A B C D X U
0 7 2 2 1 1
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 11
Presence:
Presumed Extant 12
Possibly Extirpated 0
Presumed Extirpated 1
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Santa Clara (SCL)
Quads: Name (Quad Code)
Lick Observatory (3712136), Morgan Hill (3712126), San Jose East (3712137), Santa Teresa Hills (3712127)*
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.
Presumed Extant
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