Taxon Report
Chorizanthe parryi Wats. var. fernandina (Wats.) Jeps.San Fernando Valley spineflower |
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Classification
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Scientific Name: |
Chorizanthe parryi Wats. var. fernandina (Wats.) Jeps. |
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Common Name: |
San Fernando Valley spineflower |
| Family: | Polygonaceae |
| Element Code: | PDPGN040J1 |
| USDA Plants Symbol: | CHPAF |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Apr-Jul | Apr-Jul |
| Elevation: | 150-1220 (490-4005) |
| General Habitats: | Coastal scrub, Valley and foothill grassland |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G3T1 |
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State Rank: |
S1 |
| State List: | CE |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 21 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 2 |
| Fair (C) | 9 |
| Poor (D) | 0 |
| None (X) | 9 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Los Angeles (LAX), Orange (ORA)*, Ventura (VEN) | |
| 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) | |
Threat List Data from the CNDDB
| Threat List Total: | 9 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 17 | 81 % | |
| 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% |
Notes
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Rediscovered in 1999. Most historical habitat is now heavily urbanized. Seriously threatened by development and non-native plants. See Botany of California |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].