Berberidaceae
Mahonia nervosa

Dwarf Oregon-Grape

Erect stemmed shrub, yellow bark, yellowish cast to leaves turning reddish in winter. Stems spreading, stiff, holding pairs (one terminal) of 9–19 leaflets horizontally to soil. Leaflets glossy, palmately veined, 1–3 in. long, smooth, lance-shaped, leathery, with even rows of 6–12 sharply pointed teeth. Flower stems in center short with erect heads of yellow flowers. Flowers have all parts in 6. Berries blue, coated with white waxy powder, egg-shaped, edible but sour. Grows in conifer forests to 6500 ft.

  • Rarity: Locally Common
  • Flowering Time: All Spring
  • Life Cycle: Perennial
  • Height: 6--24 inches
  • Habitat: West-Side Forest, Coastal
  • Found In: Siskiyous, West Gorge, Mt. Rainier NP, Olympic NP, N Cascades NP
  • Native: Yes