Species Details
Streptanthus howellii
Howell's jewelflower
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©Rick York and CNPS |
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Scientific Name: Streptanthus howellii Wats. |
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Common Name: Howell's jewelflower |
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| Family: | Brassicaceae | |
| Element Code: | PDBRA2G0N0 | |
| USDA Plants Symbol: | STHO | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G2G3 |
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State Rank: |
S2 |
| Other Status: | USFS_S |
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CRPR Changes: |
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| Add Date: | 1980-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Jul-Aug
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Elevation:
305 - 1500 meters 1000 - 4920 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 5 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 14 | 47 % |
| THREAT LIST: | ||
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| Road/trail construction/maint. | 10 | 33% |
| Mining | 9 | 30% |
| Improper burning regime | 4 | 13% |
| Other | 2 | 6% |
| Wood cutting or brush clearing | 1 | 3% |
| Total Occurrences: | 30 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 3 | 2 | 3 | 0 | 21 |
| Occurrence Status: | |||||
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| Historical >20 Years | 14 | ||||
| Recent <=20 Years | 16 | ||||
| Presence: | |||||
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| Presumed Extant | 30 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA), Oregon (OR) |
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California Counties and Islands: Name (Code) Del Norte (DNT) |
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Quads: Name (Quad Code) Gasquet (4112378), High Divide (4112481), High Plateau Mtn. (4112388), Shelly Creek Ridge (4112387) |
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Notes:
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Presumed Extant
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