Taxon Details
Chorizanthe parryi var. fernandina
San Fernando Valley spineflower
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Taxon Summary:
Chorizanthe parryi var. fernandina, commonly known as San Fernando Valley spineflower, is a annual herb in the Polygonaceae that is found only in California. It occurs within Coastal scrub (sandy), and Valley and foothill grassland, growing at elevations from 150 to 1220 meters. Chorizanthe parryi var. fernandina is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Chorizanthe parryi Wats. var. fernandina (Wats.) Jeps. |
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Common Name: San Fernando Valley spineflower |
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| Family: | Polygonaceae | |
| Element Code: | PDPGN040J1 | |
| USDA Plants Symbol: | CHPAF | |
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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: | None |
| State List: | CE (2001-08-01) |
| Global Rank: | G3T1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG; USFS_S |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2024-08-06 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-Jul
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Elevation:
150 - 1220 meters 490 - 4005 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Rediscovered in 1999. Most historical habitat is now heavily urbanized. Seriously threatened by development and non-native plants. See Botany of California 2:481 (1880) for original description, Phytologia 66(2):147-149 (1989) for taxonomic treatment, and Madrono 48(2):78 (2001) for rediscovery. |
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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: | 17 | 81 % |
| THREAT LIST: | ||
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| Development | 17 | 80% |
| Non-native plant impacts | 3 | 14% |
| Road/trail construction/maint. | 3 | 14% |
| Agriculture | 3 | 14% |
| Vandalism/dumping/litter | 1 | 4% |
| ORV activity | 1 | 4% |
| Other | 1 | 4% |
| Erosion/runoff | 1 | 4% |
| Grazing | 1 | 4% |
| Total Occurrences: | 21 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 2 | 9 | 0 | 9 | 0 |
| Occurrence Status: | |||||
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| Historical >20 Years | 10 | ||||
| Recent <=20 Years | 11 | ||||
| Presence: | |||||
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| Presumed Extant | 12 | ||||
| Possibly Extirpated | 9 | ||||
| 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) Los Angeles (LAX), Orange (ORA)*, Ventura (VEN) |
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Quads: Name (Quad Code) Black Star Canyon (3311776), Burbank (3411823)*, Calabasas (3411826), Canoga Park (3411825), Lake Hughes (3411864)*, Newhall (3411845), Oat Mountain (3411835)*, San Fernando (3411834)*, Sunland (3411833)*, Val Verde (3411846), Van Nuys (3411824)*, Venice (3311884)*, Warm Springs Mountain (3411855), Whitaker Peak (3411856) |
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Notes:
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Presumed Extant
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