Berberis × stenophylla 'Irwinii'
Common name: 
Irwin Rosemary Barberry
Pronunciation: 
BER-ber-is X sten-o-FIL-a
Family: 
Berberidaceae
Genus: 
Berberis
Type: 
Broadleaf
Native to (or naturalized in) Oregon: 
No
  • Broadleaf evergreen shrub, 1.5-4 ft (0.5-1.2 m), arching, compact, free flowing habit.  Leaves 15-25 mm long, linear-lanceolate (stenophylla, narrow leaved), 3-teeth, glossy dark green above, yellow-green beneath.  Flowers 8 mm long, golden-yellow, in clusters, late spring.  Fruit globose, purple-black.
  • Sun
  • Hardy to USDA Zone (5)6
  • Corvallis: SW corner Central Park, 8th St. and Madison Ave.
  • Oregon State Univ. campus: southeast corner of Snell
Click image to enlarge
  • plant habit, flowering

    plant habit, flowering

  • plant habit, flowering

    plant habit, flowering

  • leaves and flowers

    leaves and flowers

  • flowering shoot

    flowering shoot

  • flowering shoot and leaves, comparison

    flowering shoot and leaves, comparison

  • leaves and developing fruit

    leaves and developing fruit