Mahonia repens (Lindl.) G. Don
creeping Oregon-grape (creeping barberry)
Berberidaceae (Barberry family)

Introduction to Vascular Plants

Photograph

© Jim Riley     (Photo ID #27856)


Map

E-Flora BC Static Map

Distribution of Mahonia repens
Click here to view the full interactive map and legend

Species Information

General:
Evergreen shrub from a rhizome; stems branched, more or less procumbent, widely stoloniferous, 15-100 cm tall; bark and wood yellowish.
Leaves:
Evergreen, hollylike, alternate, pinnate; leaflets 3-7, pinnately nerved, less than twice as long as broad, with 15-43 inconspicuous spiny teeth.
Flowers:
Inflorescence of clustered racemes 3-8 cm long; flowers yellow, the segments in 6's.
Fruits:
Clustered berries 8-14 mm in diameter, blue, glaucous, with a few large seeds, edible.

SourceThe Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Yellow
Blooming Period:
Mid Spring
Fruit/Seed characteristics:
Colour: Blue
Present from Summer to Fall
Source:  The USDA

Ecology

Ecological Framework for Mahonia repens

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Avg

Min

Max

Elevation (metres)
1223 75 2142
Slope Gradient (%)
34 0 202

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

205 5 350
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 6
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
262
Modal BEC Zone Class
MS

All BEC Zones (# of stations/zone) species was recorded in

AT(5), CWH(1), ESSF(38), ICH(14), IDF(43), MS(74), PP(8), SBS(40)

Habitat and Range

Dry rocky slopes and open forests in the steppe and montane zones; common in SE BC, rare in C and SC BC; E to AB and S to SD, TX, NM, NV and NE CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Berberis amplectens (Eastw.) L.C. Wheeler
Berberis aquifolium var. repens (Lindl.) Scoggan
Berberis pumila Greene
Berberis repens Lindl.
Berberis sonnei (Abrams) McMinn
Mahonia amplectens Eastw.
Mahonia pumila (Greene) Fedde
Mahonia sonnei Abrams
Odostemon pumilus (Greene) A. Heller
Odostemon repens (Lindl.) Cockerell