Species Details

Streptanthus glandulosus ssp. hoffmanii

Hoffman's bristly jewelflower

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Scientific Name:
Streptanthus glandulosus Hook. ssp. hoffmanii (Kruckeb.) M.S. Mayer & D.W. Taylor
Common Name:
Hoffman's bristly jewelflower
Family: Brassicaceae
Element Code: PDBRA2G0J4
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Mar-Jul
JFMAMJJASOND
Elevation:
120 - 475 meters
395 - 1560 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Valley and foothill grassland (often serpentinite)
Microhabitat Details:
Microhabitat:
  • Rocky
Notes:
Historical occurrences need field surveys. See S. glandulosus ssp. secundus in The Jepson Manual. See MadroƱo 14(7):223 (1958) for original description, and Systematic Botany 19(4):557-574 (1994) for discussion of S. glandulosus complex.
Threats:
Taxonomy:
Threat List Total: 3
Total EOs % of EOs
EOs with Threat Listed: 3 19 %
THREAT LIST:
Erosion/runoff 2 12%
Logging 1 6%
Road/trail construction/maint. 1 6%
Total Occurrences: 16
Element Occurrence Ranks:
A B C D X U
2 2 2 0 0 10
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 9
Presence:
Presumed Extant 16
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Lake (LAK), Mendocino (MEN), Sonoma (SON)
Quads: Name (Quad Code)
Arched Rock (3812342), Cazadero (3812351), Cold Spring (3912315), Cow Mountain (3912321), Duncans Mills (3812341), Fort Ross (3812352), Hopland (3812381), Jimtown (3812267), Mallo Pass Creek (3912316), The Geysers (3812277), Tombs Creek (3812362), Warm Springs Dam (3812361), Yorkville (3812382)
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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