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Sierra Coffeeberry
( Frangula rubra )
Frangula rubra
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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2 Nurseries Carry This Plant
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About Sierra Coffeeberry (Frangula rubra)
2 Nurseries Carry This Plant
Add to My Plant List
Red Buckthorn (
Frangula rubra
) is a native shrub that grows in northern, southern and central California It is native to the mountains and plateau areas of northern and eastern California and western Nevada, including the Sierra Nevada and Klamath Mountains, where it grows in many habitat types, including forests, chaparral, and sagebrush.It is a spreading shrub approaching two meters in maximum height, its bark red or gray. The thin, deciduous leaves are generally oval in shape, green to grayish in color, and up to 8 centimeters long. The edges are smooth or faintly toothed. The inflorescence is an umbel of up to 15 flowers with five pointed sepals opening into a starlike shape and five smaller, greenish petals. The fruit is a drupe which ripens to black. It measures just over a centimeter long and contains 2 seeds.
Plant Description
Plant Type
Shrub
Size
3.5 - 7 ft tall
Dormancy
Winter Deciduous
Flower Color
Green, Black
Wildlife Supported
Butterflies & moths hosted ( 30
likely
* )
SHOW ALL
*
Gray Hairstreak
Strymon melinus
Strymon melinus
*
Pale Tiger Swallowtail
Papilio eurymedon
Papilio eurymedon
*
Hermes Copper
Lycaena hermes
Lycaena hermes
*
Ceanothus Silkmoth
Hyalophora euryalus
Hyalophora euryalus
*
Polyphemus moth
Antheraea polyphemus
Antheraea polyphemus
*
Elegant Sheepmoth
Hemileuca eglanterina
Hemileuca eglanterina
*
Wandering Tiger Moth
Spilosoma vestalis
Spilosoma vestalis
Landscaping Information
Sun
Part Shade
Nurseries
Carried by 2
Common uses
Bank Stabilization, Hedges, Bird Gardens
Propagation
?
For propagating by seed: 3 mos. stratification. No treatment. of fresh seeds gives fair germination.
Sunset Zones
?
1, 2, 3, 4, 5, 6*, 7*, 15*, 16
Natural Setting
Site Type
Varied
Climate
Annual Precipitation: 8.6" - 122.6", Summer Precipitation: 0.24" - 4.31", Coldest Month: 23.8" - 52.2", Hottest Month: 47.2" - 79.3", Humidity: 0.59" - 26.50", Elevation: 36" - 10807"
Alternative Names
Botanical Names
: Rhamnus rubra
Common Names
: Modoc Buckthorn
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Sierra Coffeeberry
Frangula rubra
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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