Vascular Plants - Berberidaceae - Berberis:
Berberis repens
Page Authors: Don Knoke, David Giblin
creeping Oregon-grape, Oregon Grape 
Blooms: April-June
Habit: shrub
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.

Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Foothills to open forested slopes.
Species Description:

General: Procumbent, evergreen woody shrub 1-5 dm. tall, widely stoloniferous.
Leaves: Leaves alternate, pinnate, leathery; leaflets 5-7, oblong to ovate, 3-7 cm. long and 2-5 cm. broad, pinnately nerved from the mid-vein, usually glossy above and dull and glaucous below and covered with minute, rounded projections , with 13-43 inconspicuous, spiny teeth.
Flowers: Inflorescence of several bracteate racemes 3-6 cm. long; perianth of 5 alternating whorls of 3 members each; outer 3 greenish-yellow, 2-3 mm. long (bracts); next 6 bright yellow, 6-8 mm. long (sepals); inner 6 bright yellow, slightly shorter, bi-lobed, oblong (petals); stamens 6, opposite the petals; filaments with 2 divergent teeth at the tip; style none, stigma sessile.
Fruits: Berry deep blue, glaucous, globose-ellipsoid, 7-14 mm. long.
Accepted Name:
Berberis repens Lindl.
Synonyms:
Berberis aquifolium Pursh var. repens (Lindl.) Scoggan
Berberis aquilifolium Pursh
Berberis aquilifolium Pursh f. repens (Lindl.) B. Boivin
Berberis nana
Berberis sonnei (Abrams) McMinn
Mahonia repens (Lindl.) G. Don
Mahonia sonnei Abrams
Odostemon repens (Lindl.) Cockerell

Treated in Flora of the PNW as:
Additional Resources:

PNW Herbaria Specimens: View list of all Berberis repens specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Berberis repens specimens in the WTU Herbarium database.

Washington Flora Checklist: Berberis repens treatment.

E-Flora BC: Berberis repens atlas page.

CalPhotos: Berberis repens images.

USDA Plants Database: Berberis repens.
Additional photographs of Berberis repens:
(click on a thumbnail to view larger photo)

J. William Thompson

J. William Thompson

H. Tim Gladwin, 1984

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Paul Slichter, 2006

Paul Slichter, 2006

Paul Slichter, 2005

Craig Althen, 2007

Clayton J. Antieau, 1988

Clayton J. Antieau, 1998

Robert L. Carr, 2010

Robert L. Carr, 2010

Robert L. Carr, 2010

Robert L. Carr, 2010

Julie Kane, 2011

Julie Kane, 2011

Craig Althen, 2010

Craig Althen, 2012

Ron Bockelman, 2011

Ron Bockelman, 2011

Ron Bockelman, 2011

Brian Luther, 2016

Brian Luther, 2016

Brian Luther, 2016

Brian Luther, 2016

Brian Luther, 2016

Brian Luther, 2016

Brian Luther, 2016

Julia Bent, 2012

Julia Bent, 2010

Julia Bent, 2010

Julia Bent, 2010
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Washington Native Plant Society
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