[Docks and Sorrels: The Genus Rumex in The Columbia River Gorge of Oregon and Washington]

Bitter Dock

Rumex obtusifolius

Bitter Dock: Rumex obtusifolius

The photo above shows a good close-up of the strongly toothed tepals of of bitter dock, which along with the size of the plant (up to a meter in height), large, wide leaf blades (See below.), and perennial habit with strong taproot identify this species. All photographs taken along Road #23 at the Mt. Adams Viewpoint, about one-half mile south of the intersection with Road #8810.

Bitter Dock: Rumex obtusifolius

The photo above shows the leafy bracteate panicle which makes up the inflorescence of bitter dock.

Upper leaf surface of Bitter Dock: Rumex obtusifolius

The upper surface of the leaf blade of bitter dock.

Lower leaf surface of Bitter Dock: Rumex obtusifolius

The lower surface of the leaf blade of bitter dock.

Paul Slichter