Taxon Report
Streptanthus morrisonii F.W. Hoffm. ssp. elatus F.W. Hoffm.Three Peaks jewelflower |
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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
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Scientific Name: |
Streptanthus morrisonii F.W. Hoffm. ssp. elatus F.W. Hoffm. |
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Common Name: |
Three Peaks jewelflower |
| Family: | Brassicaceae |
| Element Code: | PDBRA2G0S1 |
| USDA Plants Symbol: | STMOE |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jun-Sep | Jun-Sep |
| Elevation: | 90-815 (295-2675) |
| General Habitats: | Chaparral |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2T1 |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S |
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CRPR Changes: |
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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% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 October 2025].