Taxon Details
Chorizanthe polygonoides var. longispina
long-spined spineflower
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Taxon Summary:
Chorizanthe polygonoides var. longispina, commonly known as long-spined spineflower, is a annual herb in the Polygonaceae that is found in California and elsewhere. It occurs within Chaparral, Coastal scrub, Meadows and seeps, Valley and foothill grassland, and Vernal pools, growing at elevations from 30 to 1530 meters. Chorizanthe polygonoides var. longispina is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Chorizanthe polygonoides T. & G. var. longispina (Goodm.) Munz |
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Common Name: long-spined spineflower |
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| Family: | Polygonaceae | |
| Element Code: | PDPGN040K1 | |
| USDA Plants Symbol: | CHPOL | |
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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.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G5T3 |
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State Rank: |
S3 |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_CRES |
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CRPR Changes: |
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| Add Date: | 1994-01-01 |
| Date Edited: | 2021-11-05 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-Jul
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Elevation:
30 - 1530 meters 100 - 5020 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Much habitat already lost to development; also threatened by non-native grasses and recreational activities. Possibly threatened by vehicles and grazing. See Leaflets of Western Botany 7(10):236 (1955) for original description, and Phytologia 66(2):176-179 (1989) for taxonomic treatment. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 13 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 38 | 23 % |
| THREAT LIST: | ||
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| Development | 19 | 11% |
| Grazing | 10 | 6% |
| Non-native plant impacts | 7 | 4% |
| Road/trail construction/maint. | 7 | 4% |
| Recreational use (non-ORV) | 5 | 3% |
| ORV activity | 5 | 3% |
| Other | 3 | 1% |
| Agriculture | 3 | 1% |
| Foot traffic/trampling | 2 | 1% |
| Military operations | 2 | 1% |
| Mining | 2 | 1% |
| Disking | 1 | 0% |
| Vandalism/dumping/litter | 1 | 0% |
| Total Occurrences: | 166 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 6 | 31 | 5 | 1 | 3 | 120 |
| Occurrence Status: | |||||
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| Historical >20 Years | 63 | ||||
| Recent <=20 Years | 103 | ||||
| Presence: | |||||
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| Presumed Extant | 163 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 3 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Baja California (BA), California (CA) |
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California Counties and Islands: Name (Code) Orange (ORA), Riverside (RIV), San Diego (SDG) |
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Quads: Name (Quad Code) Aguanga (3311647), Alberhill (3311764), Bachelor Mtn. (3311751), Barrett Lake (3211666), Beauty Mountain (3311646), Black Star Canyon (3311776), Butterfly Peak (3311655), Cameron Corners (3211664), Cuyamaca Peak (3211685), Del Mar (3211782), Descanso (3211675), El Cajon Mtn. (3211687), Encinitas (3311713), Fallbrook (3311743), Hemet (3311668), Hot Springs Mtn. (3311635), Idyllwild (3311666), Imperial Beach (3211751), Jamul Mountains (3211668), Julian (3311615), La Jolla (3211772), La Mesa (3211771), Lake Elsinore (3311763), Lake Mathews (3311774), Live Oak Springs (3211663), Margarita Peak (3311744), Mesa Grande (3311627), Monument Peak (3211684), Murrieta (3311752), National City (3211761), Otay Mesa (3211658), Palm View Peak (3311665), Pechanga (3311741), Perris (3311772), Point Loma (3211762), Poway (3211781), Ramona (3311617), Romoland (3311762), Sage (3311658), San Clemente (3311745), Santa Ysabel (3311616), Sitton Peak (3311754), Steele Peak (3311773), Tierra Del Sol (3211653), Tule Springs (3211686), Vail Lake (3311648), Viejas Mountain (3211676), Warner Springs (3311636), Warners Ranch (3311626), Wildomar (3311753), Winchester (3311761) |
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Notes:
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Presumed Extant
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