Species Details
Chorizanthe pungens var. hartwegiana
Ben Lomond spineflower
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Scientific Name: Chorizanthe pungens Benth. var. hartwegiana Rev. & Hardham |
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Common Name: Ben Lomond spineflower |
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| Family: | Polygonaceae | |
| Element Code: | PDPGN040M1 | |
| USDA Plants Symbol: | CHPUH2 | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FE (1994-02-04) |
| State List: | None |
| Global Rank: | G2T1 |
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State Rank: |
S1 |
| Other Status: | SB_UCSC |
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CRPR Changes: |
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| Add Date: | 1994-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-Jul
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Elevation:
90 - 610 meters 295 - 2000 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Known only from sandhill parklands in the Santa Cruz Mtns. Threatened by sand mining, development, and non-native plants. See C. pungens in The Jepson Manual. See Annals of the Missouri Botanical Garden 21:37 (1934) for original description, and Phytologia 66(2):123-126 (1989) for taxonomic treatment, Fremontia 24(4):8-11 (1996) for taxonomic discussion, and Madroño 45(2):119-127 (1998) for ecological information. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 9 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 10 | 56 % |
| THREAT LIST: | ||
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| Development | 7 | 38% |
| Mining | 3 | 16% |
| Recreational use (non-ORV) | 3 | 16% |
| Road/trail construction/maint. | 2 | 11% |
| Foot traffic/trampling | 2 | 11% |
| Grazing | 1 | 5% |
| Logging | 1 | 5% |
| Erosion/runoff | 1 | 5% |
| Non-native plant impacts | 1 | 5% |
| Total Occurrences: | 18 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 6 | 4 | 0 | 1 | 6 |
| Occurrence Status: | |||||
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| Historical >20 Years | 16 | ||||
| Recent <=20 Years | 2 | ||||
| Presence: | |||||
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| Presumed Extant | 17 | ||||
| Possibly Extirpated | 1 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Santa Cruz (SCR) |
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Quads: Name (Quad Code) Big Basin (3712222), Castle Rock Ridge (3712221), Davenport (3712212), Felton (3712211), Laurel (3712118) |
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Notes:
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Presumed Extant
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