Taxon Details
Chorizanthe orcuttiana
Orcutt's spineflower
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Taxon Summary:
Chorizanthe orcuttiana, commonly known as Orcutt's spineflower, is a annual herb in the Polygonaceae that is found only in California. It occurs within Chaparral (maritime), Closed-cone coniferous forest, and Coastal scrub, growing at elevations from 3 to 125 meters. Chorizanthe orcuttiana is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Chorizanthe orcuttiana Parry |
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Common Name: Orcutt's spineflower |
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| Family: | Polygonaceae | |
| Element Code: | PDPGN040G0 | |
| USDA Plants Symbol: | CHOR | |
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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 (1996-10-07) |
| State List: | CE (1979-11-01) |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1980-01-01 |
| Date Edited: | 2021-11-05 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Mar-May
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Elevation:
3 - 125 meters 10 - 410 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 7 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 12 | 67 % |
| THREAT LIST: | ||
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| Non-native plant impacts | 8 | 44% |
| Foot traffic/trampling | 6 | 33% |
| Road/trail construction/maint. | 4 | 22% |
| Development | 3 | 16% |
| Erosion/runoff | 2 | 11% |
| Improper burning regime | 1 | 5% |
| Recreational use (non-ORV) | 1 | 5% |
| Total Occurrences: | 18 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 2 | 4 | 0 | 1 | 5 | 6 |
| Occurrence Status: | |||||
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| Historical >20 Years | 9 | ||||
| Recent <=20 Years | 9 | ||||
| Presence: | |||||
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| Presumed Extant | 13 | ||||
| Possibly Extirpated | 5 | ||||
| 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) San Diego (SDG) |
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Quads: Name (Quad Code) Del Mar (3211782), Encinitas (3311713), La Jolla (3211772)*, Point Loma (3211762), Rancho Santa Fe (3311712)* |
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Notes:
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Presumed Extant
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