Species Details
Chorizanthe pungens var. pungens
Monterey spineflower
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Species Description:
Chorizanthe pungens var. pungens, commonly known as Monterey spineflower, is a annual herb in the Polygonaceae that is found only in California. It occurs within Chaparral (maritime), Cismontane woodland, Coastal dunes, Coastal scrub, and Valley and foothill grassland, growing at elevations from 3 to 450 meters. Chorizanthe pungens var. pungens is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Chorizanthe pungens Benth. var. pungens |
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Common Name: Monterey spineflower |
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| Family: | Polygonaceae | |
| Element Code: | PDPGN040M2 | |
| USDA Plants Symbol: | CHPUP3 | |
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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.2 |
| Fed List: | FT (1994-02-04) |
| State List: | None |
| Global Rank: | G2T2 |
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State Rank: |
S2 |
| Other Status: | SB_SBBG; SB_UCBG |
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CRPR Changes: |
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| Add Date: | 1980-01-01 |
| Date Edited: | 2024-11-05 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-Jun(Jul-Aug)
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Elevation:
3 - 450 meters 10 - 1475 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Collected in SLO Co. only once (1842). See Phytologia 66(2):123-125 (1989) for taxonomic treatment, and Fremontia 24(4):8-11 (1996) for taxonomic discussion. |
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Threats: Threatened by foot traffic, urbanization, recreational development and activities, agriculture, military activities, and non-native plants. Possibly threatened by road construction. |
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Taxonomy: See C. pungens in The Jepson Manual. |
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| Threat List Total: | 12 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 29 | 57 % |
| THREAT LIST: | ||
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| Development | 15 | 29% |
| Other | 12 | 23% |
| Non-native plant impacts | 11 | 21% |
| ORV activity | 5 | 9% |
| Foot traffic/trampling | 5 | 9% |
| Agriculture | 3 | 5% |
| Road/trail construction/maint. | 3 | 5% |
| Erosion/runoff | 2 | 3% |
| Biocides | 1 | 1% |
| Improper burning regime | 1 | 1% |
| Mining | 1 | 1% |
| Wood cutting or brush clearing | 1 | 1% |
| Total Occurrences: | 51 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 6 | 12 | 6 | 2 | 3 | 22 |
| Occurrence Status: | |||||
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| Historical >20 Years | 26 | ||||
| Recent <=20 Years | 25 | ||||
| Presence: | |||||
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| Presumed Extant | 48 | ||||
| Possibly Extirpated | 2 | ||||
| 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) Monterey (MNT), San Luis Obispo (SLO)*, Santa Cruz (SCR) |
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Quads: Name (Quad Code) Espinosa Canyon (3612111), Laurel (3712118), Loma Prieta (3712117), Marina (3612167), Monterey (3612158), Moss Landing (3612177), Prunedale (3612176), Salinas (3612166), San Ardo (3612018), San Juan Bautista (3612175), San Lucas (3612121), San Simeon (3512162)*, Seaside (3612157), Soledad (3612143), Spreckels (3612156), Watsonville East (3612186), Watsonville West (3612187) |
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Notes:
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Presumed Extant
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