Taxon Report
Streptanthus morrisonii F.W. Hoffm. ssp. kruckebergii Dolan & LaPreKruckeberg's jewelflower |
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Taxon Summary
Streptanthus morrisonii ssp. kruckebergii, commonly known as Kruckeberg's jewelflower, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Cismontane woodland, growing at elevations from 215 to 1035 meters. Streptanthus morrisonii ssp. kruckebergii 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. kruckebergii Dolan & LaPre |
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Common Name: |
Kruckeberg's jewelflower |
| Family: | Brassicaceae |
| Element Code: | PDBRA2G0S4 |
| USDA Plants Symbol: | STMOK |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-Jul | Apr-Jul |
| Elevation: | 215-1035 (705-3395) |
| General Habitats: | Cismontane woodland |
| 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: | 5 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 1 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 3 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Lake (LAK), Napa (NAP) | |
| Quads: Name (Quad Code) | |
| Jericho Valley (3812274), Knoxville (3812273) | |
Threat List Data from the CNDDB
| Threat List Total: | 2 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 2 | 40 % | |
| Mining | 1 | 20% |
| Other | 1 | 20% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 February 2025].