E-Flora BC: Electronic Atlas of the Flora of British Columbia

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

Introduction to Vascular Plants

© Jim Riley  Email the photographer   (Photo ID #27856)

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Distribution of Mahonia repens
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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.

Source: The 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

Habitat / 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.

Source: The Illustrated Flora of British Columbia

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

Minimum

Average

Maximum

Elevation (metres) 75 1223 2142
Slope Gradient (%) 0 34 202
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
5 205 350
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 6
Modal Nutrient Regime
Class
C
Number 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)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

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

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References