[Barberrys and Oregon Grapes: The Genus Berberis West of the Cascade Mountains of Oregon and Washington]

Piper's Barberry, Piper's Oregon Grape

Berberis piperiana

Synonym: Mahonia piperiana

Piper's Barberry, Piper's Oregon Grape: Berberis piperiana (Synonym: Mahonia piperiana) - Pinnately compound leaf of Piper's Barberry, Piper's Oregon Grape: Berberis piperiana (Synonym: Mahonia piperiana)

Piper's Barberry, Piper's Oregon Grape: Berberis piperiana (Synonym: Mahonia piperiana) - Piper's Barberry, Piper's Oregon Grape: Berberis piperiana (Synonym: Mahonia piperiana)

Piper's Barberry, Piper's Oregon Grape: Berberis piperiana (Synonym: Mahonia piperiana)

Piper's Oregon grape observed in bloom at Days Gulch Botanical Area, Rogue River-Siskiyou National Forest.......April 21, 2021.

Piper's Barberry, Piper's Oregon Grape: Berberis piperiana (Synonym: Mahonia piperiana) - Piper's Barberry, Piper's Oregon Grape: Berberis piperiana (Synonym: Mahonia piperiana) - Piper's Barberry, Piper's Oregon Grape: Berberis piperiana (Synonym: Mahonia piperiana)

Piper's Oregon grape observed in bloom at Days Gulch Botanical Area, Rogue River-Siskiyou National Forest.......April 6, 2022.
Paul Slichter