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Key to Mahonia

Berberidaceae

Mahonia

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1 Bud scales evergreen, 11-44 mm long; leaflet blades 4-6-veined from the base; [section Longibracteatae].
1 Bud scales deciduous, 3-8 mm long; leaflet blades 1-3-veined from the base; [section Aquifoliatae].
  2 Leaflet blades smooth and somewhat shiny on the undersurface
  2 Leaflet blades papillose and dull on the undersurface