species 171 observations
Otay Manzanita
Arctostaphylos otayensis
Field notes
Arctostaphylos otayensis is a species of manzanita commonly known as the Otay manzanita. It is a rare perennial shrub native to the mountains of southwestern San Diego County, California and northwestern Baja California, where it grows in chaparral habitats on metavolcanic soils, mostly in the San Ysidro Mountains. The white urn-shaped flowers bloom from winter to spring. Because of the small range of this species and a number of threats, it is of conservation concern.
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Caterpillars
Moths and butterflies raised on it



Madrone Skin Miner, Brown Elfin, Phyllonorycter manzanita, Ceanothus Silk Moth
12
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Specialist bees
Bees whose young are raised on the pollen of it
Blueberry Mason Bee
1
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Plant eaters
Animals that feed on it



Manzanita Leafgall Aphid, Tamalia glaucensis, Band-tailed Pigeon, Northern Sickleleg
11
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Flower visitors
Pollinators and other flower visitors



Black-tailed Bumble Bee, Yellow-faced Bumble Bee, Anna's Hummingbird, California Tortoiseshell
31
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Key traits
- Layer
- Shrubs
From USDA PLANTS.