Species Details
Chorizanthe pungens var. hartwegiana
Ben Lomond spineflower
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Species Description:
Chorizanthe pungens var. hartwegiana, commonly known as Ben Lomond spineflower, is a annual herb in the Polygonaceae that is found only in California. It occurs within Lower montane coniferous forest, growing at elevations from 90 to 610 meters. Chorizanthe pungens var. hartwegiana is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
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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| Name Status: |
JEP, FNA, POWO, IPNI, Tropicos |
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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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