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Arctostaphylos ohloneana

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About Ohlone Manzanita (Arctostaphylos ohloneana) Arctostaphylos ohloneana is a rare species of manzanita known by the common name Ohlone manzanita in the Santa Cruz Mountains in California. It is endemic to northwest Santa Cruz County, where it is known only from four populations on Ben Lomond Mountain, just south of Big Basin Redwoods State Park. It was discovered in the 1980s among other manzanita species on the mountain and it was described to science in 2008. There are an estimated 100 individuals in existence. Arctostaphylos ohloneana occurs in maritime chaparral and oak and pine forest habitat on whitish soils of siliceous shale origin. The plants all occur on land owned by Lockheed Martin. Arctostaphylos ohloneana is an erect, bushy shrub reaching one or two meters in height. The branches are covered in reddish-brown bark and the newer twigs have fuzzy hairs. The light green leaves have oval blades up to 3 centimeters long by 1. 5 wide. The inflorescence is a panicle of white or pinkish conical or urn-shaped flowers. The fruit is a spherical reddish-brown drupe 5 to 8 millimeters wide.
Plant Description
Plant Type

Max. Height
3.3 - 6.6 ft (1 - 2 m)


Flower Color
Pink, White, Red

Flowering Season
Spring, Winter

Native Status
Natural Setting
Landscaping Information
Common uses
Hummingbird Gardens, Bee Gardens

Nursery Availability
Never or Almost Never Available

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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