Taxon Details
Arctostaphylos hookeri ssp. hookeri
Hooker's manzanita
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© 2011 Chris Winchell |
© 2011 Chris Winchell |
© 2016 Dean Wm. Taylor |
Taxon Summary:
Arctostaphylos hookeri ssp. hookeri, commonly known as Hooker's manzanita, is a perennial evergreen shrub in the Ericaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, Closed-cone coniferous forest, and Coastal scrub, growing at elevations from 46 to 536 meters. Arctostaphylos hookeri ssp. hookeri is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Arctostaphylos hookeri D. Don ssp. hookeri |
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Common Name: Hooker's manzanita |
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| Family: | Ericaceae | |
| Element Code: | PDERI040J1 | |
| USDA Plants Symbol: | ARHOH4 | |
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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: | G3T2 |
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State Rank: |
S2 |
| Other Status: | BLM_S; SB_UCSC |
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CRPR Changes: |
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| Add Date: | 1984-01-01 |
| Date Edited: | 2025-10-29 |
| Lifeform: perennial evergreen shrub | ||||||||||||||
Blooming Period: Jan-Jun
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Elevation:
46 - 536 meters 150 - 1760 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 10 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 12 | 50 % |
| THREAT LIST: | ||
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| Development | 7 | 29% |
| Foot traffic/trampling | 4 | 16% |
| Other | 3 | 12% |
| Improper burning regime | 2 | 8% |
| Non-native plant impacts | 2 | 8% |
| Road/trail construction/maint. | 1 | 4% |
| Wood cutting or brush clearing | 1 | 4% |
| Erosion/runoff | 1 | 4% |
| Agriculture | 1 | 4% |
| Biocides | 1 | 4% |
| Total Occurrences: | 24 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 3 | 4 | 1 | 2 | 0 | 14 |
| Occurrence Status: | |||||
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| Historical >20 Years | 16 | ||||
| Recent <=20 Years | 8 | ||||
| Presence: | |||||
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| Presumed Extant | 24 | ||||
| Possibly Extirpated | 0 | ||||
| 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) Monterey (MNT), Santa Cruz (SCR) |
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Quads: Name (Quad Code) Marina (3612167), Monterey (3612158), Prunedale (3612176), Salinas (3612166), Seaside (3612157), Soberanes Point (3612148), Spreckels (3612156), Watsonville West (3612187) |
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Notes:
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Presumed Extant
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