Arctostaphylos pilosula Jeps. & Wies.Santa Margarita manzanita |
![]() © 2006 Steve Matson |
Scientific Name: |
Arctostaphylos pilosula Jeps. & Wies. |
Common Name: |
Santa Margarita manzanita |
Family: | Ericaceae |
Element Code: | PDERI042Z0 |
USDA Plants Symbol: | ARPI |
Synonyms/Other Names: |
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Lifeform: | perennial evergreen shrub |
Blooming Period: Dec-May | Dec-May |
Elevation: | 75-1100 (245-3610) |
General Habitats: | Broadleafed upland forest, Chaparral, Cismontane woodland, Closed-cone coniferous forest |
Microhabitat: | Sandstone (sometimes) |
Microhabitat Details: |
CA Rare Plant Rank: | 1B.2 |
Global Rank: | G2? |
State Rank: |
S2? |
State List: | None |
Fed List: | None |
Other Status: | |
CRPR Changes: |
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Total Occurrences: | 58 |
Element Occurrence Ranks: | |
Excellent (A) | 5 |
Good (B) | 5 |
Fair (C) | 4 |
Poor (D) | 6 |
None (X) | 0 |
Unknown (U) | 38 |
California Endemic: True | |
California Counties and Islands: Name (Code) | |
San Luis Obispo (SLO) | |
Quads: Name (Quad Code) | |
Arroyo Grande NE (3512025), Atascadero (3512046), Caldwell Mesa (3512023), Huasna Peak (3512013), La Panza (3512032), Lopez Mtn. (3512035), Morro Bay South (3512037), Nipomo (3512014), Oceano (3512015), Pismo Beach (3512026), Port San Luis (3512027), Pozo Summit (3512033), San Luis Obispo (3512036), Santa Margarita Lake (3512034), Tar Spring Ridge (3512024) |
Threat List Total: | 13 | |
EOs with Threat Listed: | Total EOs | % of EOs |
24 | 41 % | |
Development | 14 | 24% |
Road/trail construction/maint. | 7 | 12% |
ORV activity | 5 | 8% |
Wood cutting or brush clearing | 4 | 6% |
Grazing | 3 | 5% |
Mining | 3 | 5% |
Non-native plant impacts | 2 | 3% |
Erosion/runoff | 2 | 3% |
Other | 2 | 3% |
Improper burning regime | 2 | 3% |
Agriculture | 1 | 1% |
Dam/Inundation | 1 | 1% |
Hybridization | 1 | 1% |
Erythea 8(13): 101. (1938) |