Taxon Details
Streptanthus albidus ssp. albidus
Metcalf Canyon jewelflower
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Taxon Summary:
Streptanthus albidus ssp. albidus, commonly known as Metcalf Canyon jewelflower, is a annual herb in the Brassicaceae that is found only in California. It occurs within Valley and foothill grassland, growing at elevations from 45 to 800 meters. Streptanthus albidus ssp. albidus is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Streptanthus albidus Greene ssp. albidus |
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Common Name: Metcalf Canyon jewelflower |
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| Family: | Brassicaceae | |
| Element Code: | PDBRA2G011 | |
| USDA Plants Symbol: | STALA | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FE (1995-02-03) |
| State List: | None |
| Global Rank: | G2T1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG; SB_UCBG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-Jul
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Elevation:
45 - 800 meters 150 - 2625 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Threatened by residential development, road construction, vehicles, and non-native plants. A synonym of S. glandulosus ssp. albidus in TJM 2; further study is underway to determine its relationship to the S. glandulosus complex. See Pittonia 1:62 (1887) for original description, Madroño 14(7):217-227 (1958) for taxonomic treatment, and Systematic Botany 19(4):557-574 (1994) for discussion of S. glandulosus complex. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 10 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 13 | 100 % |
| THREAT LIST: | ||
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| Non-native plant impacts | 11 | 84% |
| Development | 6 | 46% |
| Grazing | 6 | 46% |
| Road/trail construction/maint. | 6 | 46% |
| Other | 2 | 15% |
| Biocides | 1 | 7% |
| ORV activity | 1 | 7% |
| Mining | 1 | 7% |
| Foot traffic/trampling | 1 | 7% |
| Vandalism/dumping/litter | 1 | 7% |
| Total Occurrences: | 13 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 7 | 2 | 2 | 1 | 1 |
| Occurrence Status: | |||||
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| Historical >20 Years | 2 | ||||
| Recent <=20 Years | 11 | ||||
| Presence: | |||||
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| Presumed Extant | 12 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 1 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Santa Clara (SCL) |
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Quads: Name (Quad Code) Lick Observatory (3712136), Morgan Hill (3712126), San Jose East (3712137), Santa Teresa Hills (3712127)* |
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Notes:
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Presumed Extant
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