Taxon Report
Streptanthus morrisonii F.W. Hoffm. ssp. hirtiflorus F.W. Hoffm.Dorr's Cabin jewelflower |
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Taxon Summary
Streptanthus morrisonii ssp. hirtiflorus, commonly known as Dorr's Cabin jewelflower, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Chaparral, and Closed-cone coniferous forest, growing at elevations from 185 to 820 meters. Streptanthus morrisonii ssp. hirtiflorus 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. hirtiflorus F.W. Hoffm. |
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Common Name: |
Dorr's Cabin jewelflower |
| Family: | Brassicaceae |
| Element Code: | PDBRA2G0S2 |
| USDA Plants Symbol: | STMOH |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jun | Jun |
| Elevation: | 185-820 (605-2690) |
| General Habitats: | Chaparral, Closed-cone coniferous forest |
| Microhabitat: | Serpentine |
| 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: | 1 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 1 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Sonoma (SON) | |
| Quads: Name (Quad Code) | |
| Cazadero (3812351) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 100 % | |
| Mining | 1 | 100% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 4 November 2025].