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Rhamnus pirifolia
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Island Redberry
( Rhamnus pirifolia )
Rhamnus pirifolia
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
Click on blue squares to see occurrence records.
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1 Nurseries Carry This Plant
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About Island Redberry (Rhamnus pirifolia)
1 Nurseries Carry This Plant
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Rhamnus pirifolia
is a species of tree and shrub in the buckthorn family known by the common name island redberry. It is an island endemic which is known only from the Channel Islands of California and Guadalupe Island off Baja California. Its habitat consists of coastal sage scrub and chaparral.
Rhamnus pirifolia
is a spreading shrublike tree which approaches 10 meters-30 feet in maximum height. It has gray bark on its branches and the young twigs are purple in color. The thick evergreen leaves are oval in shape with pointed or nearly rounded tips, measuring 2 to 4 centimeters long. The edges are smooth or toothed and curve under, making the leaves concave. The inflorescence is a solitary flower or umbel of up to six flowers. The flower has four pointed sepals and no petals. The fruit is a drupe which ripens to bright red. It is just under a centimeter wide and contains two seeds.
Plant Description
Plant Type
Shrub
Size
32.8 ft tall
Dormancy
Evergreen
Flower Color
Yellow, Cream, Red
Wildlife Supported
Butterflies & moths hosted ( 15
likely
* )
SHOW ALL
*
Pale Tiger Swallowtail
Papilio eurymedon
Papilio eurymedon
*
Hermes Copper
Lycaena hermes
Lycaena hermes
*
White-lined Sphinx
Hyles lineata
Hyles lineata
*
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
Nurseries
Carried by 1
Common uses
Bank Stabilization, Bird Gardens
Natural Setting
Climate
Annual Precipitation: 8.7" - 31.5", Summer Precipitation: 0.14" - 1.16", Coldest Month: 46.0" - 57.2", Hottest Month: 63.0" - 77.2", Humidity: 1.01" - 23.31", Elevation: 7" - 3410"
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Island Redberry
Rhamnus pirifolia
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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