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Ceanothus ferrisiae
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Coyote Ceanothus
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Ceanothus ferrisiae

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About Coyote Ceanothus (Ceanothus ferrisiae) Ceanothus ferrisiae (sometimes spelled ferrisae) is a rare species of shrub in the buckthorn family Rhamnaceae. Its common name is coyote ceanothus. Ceanothus ferrisiae is endemic to Santa Clara County, California, where it is known from only four or five occurrences near Mt. Hamilton in the Diablo Range. The largest population, located near Anderson Dam, is recovering from a 1992 wildfire that killed 95% of the plants. It is a member of the serpentine soils endemic flora and it occurs in chaparral. It is a federally listed endangered species. There are about 6000 individuals remaining in five occurrences. The plant is threatened by loss and degradation of its habitat, which is being cleared for construction and used for dumping. The species also seems to have low recruitment.
Plant Description
Plant Type

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

Flower Color

Native Status
Natural Setting
Elevation ?
376' - 1734'

Annual Precip. ?
20.9" - 48.7"

Summer Precip. ?
0.20" - 0.50"

Coldest Month ?
45.1° F - 50.2° F

Hottest Month ?
67.6° F - 73.3° F

Humidity ?
0.58 vpd - 20.07 vpd

Landscaping Information
Common uses
Bank Stabilization, Butterfly 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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