[The Burnets of the Columbia River Gorge of Oregon and Washington]

Annual Burnet, Prairie Burnet, Western Burnet

Poteridium occidentale

Synonyms: Poteridium annuum, Sanguisorba annua, Sanguisorba occidentalis

Annual Burnet, Prairie Burnet, Western Burnet: Poteridium occidentale (Synonyms: Poteridium annuum, Sanguisorba annua, Sanguisorba occidentalis)

Annual burnet as seen around the parking area at Catherine Creek, Klickitat County, WA..........May 20, 2011.

Characteristics:

 


Habitat:

 


Range:

In the Columbia River Gorge it may be found between the elevations of 600'-3000' between the White Salmon River and Haystack Butte.


Close-up of a flower head of Annual Burnet, Prairie Burnet, Western Burnet: Poteridium occidentale (Synonyms: Poteridium annuum, Sanguisorba annua, Sanguisorba occidentalis) - Close-up of a flower head of Annual Burnet, Prairie Burnet, Western Burnet: Poteridium occidentale (Synonyms: Poteridium annuum, Sanguisorba annua, Sanguisorba occidentalis)

Close-ups of the flower heads of annual burnet as seen around the parking area at Catherine Creek, Klickitat County, WA.........May 20, 2011.

Annual Burnet, Prairie Burnet, Western Burnet: Poteridium occidentale (Synonyms: Poteridium annuum, Sanguisorba annua, Sanguisorba occidentalis) - Annual Burnet, Prairie Burnet, Western Burnet: Poteridium occidentale (Synonyms: Poteridium annuum, Sanguisorba annua, Sanguisorba occidentalis)

Additional photos showing the branched inflorescence of annual burnet as well as close-ups of the mature flower heads and dissected leaves as seen in the Columbia Hills to the northeast of The Dalles, OR........July 7, 2006.

Basal leaf rosette of Annual Burnet, Prairie Burnet, Western Burnet: Poteridium occidentale (Synonyms: Poteridium annuum, Sanguisorba annua, Sanguisorba occidentalis)

The photo above shows the basal rosette of leaves of annual burnet. Columbia Hills...........July 7, 2006. Note the glaucous cast to the pinnately compound leaves.

Paul Slichter