Taxon Report

Streptanthus morrisonii F.W. Hoffm. ssp. elatus F.W. Hoffm.

Three Peaks jewelflower

Print Report


Taxon Summary

Streptanthus morrisonii ssp. elatus, commonly known as Three Peaks jewelflower, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Chaparral, growing at elevations from 90 to 815 meters. Streptanthus morrisonii ssp. elatus is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.


  Classification

Scientific Name:
Streptanthus morrisonii F.W. Hoffm. ssp. elatus F.W. Hoffm.
Common Name:
Three Peaks jewelflower
Family: Brassicaceae
Element Code: PDBRA2G0S1
USDA Plants Symbol: STMOE
Synonyms/Other Names:
  • Streptanthus morrisonii F.W. Hoffm.

Occurrence Data from the CNDDB

Total Occurrences: 7
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 2
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 5
California Endemic:  True
California Counties and Islands: Name (Code)
Lake (LAK), Napa (NAP)
Quads: Name (Quad Code)
Aetna Springs (3812264), Detert Reservoir (3812265)

Threat List Data from the CNDDB

Threat List Total: 2
EOs with Threat Listed: Total EOs % of EOs
1 14 %
Improper burning regime 1 14%
ORV activity 1 14%

Notes

Threatened by herbivory. See Streptanthus morrisonii in The Jepson Manual. See MadroƱo 11(6):228 (1952) for original description and 36(1):33-40 (1989) for additional information.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 31 January 2025].