Taxon Details

Streptanthus oblanceolatus

Trinity River jewelflower

  View Report   Copy Link Calflora eFlora CCH CalPhotos iNaturalist
Photo of Streptanthus oblanceolatus
©2009 Dana York
Photo of Streptanthus oblanceolatus
©2009 Dana York
Photo of Streptanthus oblanceolatus
©2010 Dana York

Taxon Summary:

Streptanthus oblanceolatus, commonly known as Trinity River jewelflower, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Cismontane woodland, growing at elevations from 20 to 420 meters. Streptanthus oblanceolatus is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Scientific Name:
Streptanthus oblanceolatus T.W. Nelson and J.P. Nelson
Common Name:
Trinity River jewelflower
Family: Brassicaceae
Element Code: PDBRA2G500
USDA Plants Symbol: STOB5
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos
Lifeform: perennial herb
Blooming Period: Apr-Jun
JFMAMJJASOND
Elevation:
20 - 420 meters
65 - 1380 feet
General Habitats:
  • Cismontane woodland
Microhabitat Details: Fissures and soil pockets on exposed rock face and gravel.
Microhabitat:
  • Gravelly
  • Roadsides
  • Rock crevices
  • Rocky
  • Volcanic
Notes:
Threats:
Potentially threatened by road maintenance.
Taxonomy:
Total Occurrences: 2
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 2
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 1
Presence:
Presumed Extant 2
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Trinity (TRI)
Quads: Name (Quad Code)
Ironside Mtn. (4012374)
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
Click on quad for name. Hold Shift Key to use mouse scroll wheel
}