Taxon Details
Arctostaphylos purissima
La Purisima manzanita
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Taxon Summary:
Arctostaphylos purissima, commonly known as La Purisima manzanita, is a perennial evergreen shrub in the Ericaceae that is found only in California. It occurs within Chaparral (sandy), and Coastal scrub, growing at elevations from 60 to 390 meters. Arctostaphylos purissima is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Arctostaphylos purissima Wells |
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Common Name: La Purisima manzanita |
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| Family: | Ericaceae | |
| Element Code: | PDERI041A0 | |
| USDA Plants Symbol: | ARPU10 | |
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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: | None |
| Global Rank: | G2 |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG; SB_USDA |
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CRPR Changes: |
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| Add Date: | 1988-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: perennial evergreen shrub | ||||||||||||||
Blooming Period: Nov-May
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Elevation:
60 - 390 meters 195 - 1280 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 9 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 12 | 29 % |
| THREAT LIST: | ||
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| Development | 7 | 17% |
| Improper burning regime | 4 | 9% |
| Non-native plant impacts | 3 | 7% |
| Grazing | 3 | 7% |
| Road/trail construction/maint. | 2 | 4% |
| Other | 1 | 2% |
| Landfill | 1 | 2% |
| Military operations | 1 | 2% |
| Foot traffic/trampling | 1 | 2% |
| Total Occurrences: | 41 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 4 | 7 | 1 | 0 | 0 | 29 |
| Occurrence Status: | |||||
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| Historical >20 Years | 32 | ||||
| Recent <=20 Years | 9 | ||||
| Presence: | |||||
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| Presumed Extant | 41 | ||||
| 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) Santa Barbara (SBA) |
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Quads: Name (Quad Code) Casmalia (3412075), Guadalupe (3412085), Lompoc (3412064), Lompoc Hills (3412054), Los Alamos (3412063), Orcutt (3412074), Point Arguello (3412056), Point Conception (3412044), Point Sal (3412086), Sacate (3412043), Santa Rosa Hills (3412053), Sisquoc (3412073), Solvang (3412052), Surf (3412065), Tranquillon Mtn. (3412055) |
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Notes:
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Presumed Extant
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