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Glossy Leaved Manzanita
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Arctostaphylos nummularia
  

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About Glossy Leaved Manzanita (Arctostaphylos nummularia) Arctostaphylos nummularia is a species of manzanita known by the common name glossyleaf manzanita. It is endemic to California, where it grows in the forests of the coastal and inland ranges north of the San Francisco Bay. This is a red-barked shrub reaching a maximum height up to five meters. The smaller twigs are covered lightly in white hairy bristles. The leaves are oval-shaped to nearly round, one to two centimeters long and wide. The edges are very finely toothed to nearly smooth, lined with tiny bristles, and sometimes curled under. The upper surface of the leaf is darker green and shinier than the underside. The flower cluster holds a cluster of hanging flowers, which are spherical and white to pink-tinged. The fruit is a cylindrical drupe less than half a centimeter long containing a few seeds.

There are two subspecies; ssp. mendocinoensis (Pygmy Manzanita) was formerly considered a separate species. It is now considered a subspecies of nummularia but rare due to its extremely restricted range, a tiny population on the coast between Ft. Bragg and Albion. As a garden plant it may be difficult unless you can replicate conditions from its native area.
Plant Description
Plant Type
Shrub

Max. Height
5 - 15 ft (1.5 - 4.6 m)

Max. Width
5 - 15 ft (1.5 - 4.6 m)

Form
Mounding

Fragrance
None, Slight

Growth Rate
Moderate

Dormancy
Evergreen

Flower Color
White

Flowering Season
Spring, Winter
Spring
Summer
Fall
Winter


Native Status
Native

Natural Setting
Site Type
Clearings in coastal chaparral or coniferous woodlands of northern California where summers are cool and foggy, winters are mild and soil is acidic

Sun
Part Shade, Sun

Elevation ?
9' - 2647'

Annual Precip. ?
17.1" - 64.0"

Summer Precip. ?
0.24" - 0.89"

Coldest Month ?
41.1° F - 50.4° F

Hottest Month ?
59.1° F - 72.9° F

Humidity ?
0.01 vpd - 17.79 vpd

Soil Description
Deep, high organic content, acidic woodland soil

Soil PH
4.0 - 6.0

Drainage
Medium

Cold Tolerance(° F)
Tolerates cold to 30° F

Sunset Zones ?
5, 14, 15, 16, 17*

Wildlife Attracted
Hummingbirds are attracted to the flowers. Other birds are attracted to the fruit and seeds.

Landscaping Information
Ease of Care
Moderately Easy

Water Requirement ?
Low
Extremely Low
Very Low
Low
Moderate - High


Popularity
Rarely Used

Max. Summer Water ?
1/week
No Summer Water
1x/month
2x/month
3x/month
1/week
Keep moist


Mulch
Deep Organic

Common uses
Deer Resistant, Bird Gardens, Hummingbird Gardens, Bee Gardens

Nursery Availability
Commonly Available

Other Names
Common Names
Shatterberry, Glossyleaf Manzanita, Fort Bragg 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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