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

Berberis nervosa
dull Oregon-grape
Berberidaceae (Barberry family)

Introduction to Vascular Plants

© Lydia Dani  Email the photographer   (Photo ID #79570)

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Distribution of Berberis nervosa
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Species Information

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Evergreen shrub from a rhizome; stems branched, erect, 10-60 cm tall, leafy; bark and wood yellowish.
Evergreen, hollylike, turning reddish in the fall, alternate, pinnate; leaflets 9-19, palmately nerved, with spiny teeth.
Inflorescence of clustered racemes up to 20 cm long; flowers yellow, the segments in 6's.
Clustered berries 8-11 mm in diameter, blue, glaucous, with a few large seeds, edible.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry open slopes and open forests in the lowland, steppe and montane zones; common in SW BC, infrequent eastward in S BC; S to CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Berberis nervosa

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




Elevation (metres) 0 369 1470
Slope Gradient (%) 0 22 240
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 220 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 8
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: CDF(196), CWH(823), ESSF(5), ICH(45), IDF(81), MS(2), PP(3), SBS(14)

Synonyms and Alternate Names

Mahonia nervosa (Pursh) Nutt.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References