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Arctostaphylos hispidula
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Howell's Manzanita
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Arctostaphylos hispidula

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About Howell's Manzanita (Arctostaphylos hispidula) Arctostaphylos hispidula is a species of manzanita known by the common names Gasquet manzanita and Howell's manzanita. It is native to the coastal mountain ranges of southern Oregon and northern California, where it is an uncommon member of the serpentine soils flora and other mountain plant communities. This is a spreading or erect shrub reaching a maximum height between one and two meters. The twigs and foliage are bristly and glandular, the dark green leaves oval to broadly lance-shaped and up to 3 centimeters long. The shrub blooms in crowded inflorescences of urn-shaped flowers and produces whitish to tan colored drupes each 5 to 7 millimeters wide.
Plant Description
Plant Type

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


Flower Color
Pink, White, Brown

Native Status
Natural Setting
Elevation ?
113' - 4234'

Annual Precip. ?
46.9" - 129.0"

Summer Precip. ?
0.50" - 4.60"

Coldest Month ?
37.0° F - 48.3° F

Hottest Month ?
58.8° F - 71.6° F

Humidity ?
0.35 vpd - 21.54 vpd

Landscaping Information
Common uses
Hummingbird Gardens, Bee Gardens

Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Gasquet Manzanita

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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