Species Details
Ceanothus otayensis
Otay Mountain ceanothus
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Scientific Name: Ceanothus otayensis McMinn |
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Common Name: Otay Mountain ceanothus |
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| Family: | Rhamnaceae | |
| Element Code: | PDRHA04430 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G1G2 |
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State Rank: |
S1 |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_CRES |
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CRPR Changes: |
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| Add Date: | 2001-01-01 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial evergreen shrub | ||||||||||||||
Blooming Period: Jan-Apr
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Elevation:
600 - 1100 meters 1970 - 3610 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Known in CA only from the San Miguel and Otay mountains. Probably originated as hybrid between C. crassifolius and C. greggii var. perplexans; see the former in The Jepson Manual. Threatened by alteration of fire regimes, and possibly by Border Patrol activities. See Ceanothus 2:273 (1942) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 4 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 12 | 46 % |
| THREAT LIST: | ||
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| Foot traffic/trampling | 12 | 46% |
| Other | 12 | 46% |
| Improper burning regime | 11 | 42% |
| Road/trail construction/maint. | 2 | 7% |
| Total Occurrences: | 26 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 1 | 1 | 1 | 0 | 22 |
| Occurrence Status: | |||||
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| Historical >20 Years | 7 | ||||
| Recent <=20 Years | 19 | ||||
| Presence: | |||||
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| Presumed Extant | 26 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| 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) San Diego (SDG) |
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Quads: Name (Quad Code) Campo (3211654), Dulzura (3211667), Jamul Mountains (3211668), La Jolla (3211772), La Mesa (3211771), Otay Mesa (3211658), Otay Mountain (3211657), Ramona (3311617), Tecate (3211656) |
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Notes:
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Presumed Extant
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