Mahonia nervosa
Berberidaceae
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: Early Spring, Mid Spring, Late Spring
- Flower Form: 9-6 petals terminal head
- Life Cycle: Perennial
- Height: 6–24 inches
- Habitat: Coastal, West-side Forest
- Found In: Mt. Rainier NP, N Cascades NP, Olympic NP, Siskiyous, West Gorge
- Native: Yes
- Also Known As: Dull Oregon-Grape
- Latin Synonyms: Berberis nervosa
