Mahonia nervosa
Common name: 
Longleaf Mahonia
Cascade Mahonia
Dwarf Oregon Grape
Dull Oregon Grape
Pronunciation: 
ma-HO-ni-a ner-VO-sa
Family: 
Berberidaceae
Genus: 
Synonyms: 
Berberis nervosa
Type: 
Broadleaf
Native to (or naturalized in) Oregon: 
Yes
  • Evergreen shrub/ground cover, slow growing, to 2 ft (60 cm), stoloniferous.  Leaves, long (30-45 cm) clustered at stem tips, pinnately compound, 11-21 leaflets, each 2.5-9.5 cm long, bristle-toothed, glossy green, may show purple in winter.  Flowers small, yellow, 30-70 in elongated, erect terminal clusters (racemes) in April-June.  Fruit blue, waxy coating, about 5 mm diameter.
  • Partial shade or shade with ample moisture.
  • Hardy to USDA Zone 5     Native range from British Columbia to California, east into Idaho.
  • nervosa: conspicuously veined.
  • Oregon State Univ. campus: near the sidewalk on the north side of Jefferson Ave. east of 11th St. between Avery House and Oxford House.
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  • plant habit

    plant habit

  • plant habit, in woods

    plant habit, in woods

  • plant habit, in landscape

    plant habit, in landscape

  • plant habit, flowering

    plant habit, flowering

  • flower clusters

    flower clusters

  • leaf

    leaf

  • leaf

    leaf

  • leaf, comparison Oregon native Mahonia

    leaf, comparison Oregon native Mahonia

  • plant habit, winter

    plant habit, winter

  • leaf, winter

    leaf, winter