Liparis loeselii or Loesel's Twayblade



Liparis loeselii is also known as the Bog Orchid or Fen Orchid or Bog Twayblade or Loesel's Twayblade. The name honors Johann Loesel, a seventeenth century Prussian botanist. This is the only Liparis that occurs in Washington State. In Washington State, the status of Liparis loeselii is considered Endangered. The status globally is considered secure. This orchid can be found growing in springs, bogs, swamps, wet thickets, meadows and shores. In Washington State, the two communities of Liparis loeselii occur in wetlands in San Juan County and Klickitat County. The 2 to 25 flowers are white to yellowish green in color. The two basal leaves have parallel venation and occur at the base of the stem.

The distribution range in the United States is the northeastern states to Alabama and the midwest, Montana and Washington. The distribution range in Canada is British Columbia, Manitoba, New Brunswick, Newfoundland, Northwest Territories, Nova Scotia, Ontario, Prince Edward Island, Quebec and Saskatchewan. This orchid can also be found in Europe.

This orchid is threatened by loss or changes in wetlands, livestock grazing, recreational activities and the lack of land management practices.

If you see this orchid please get a GPS location and report the sighting to the Washington Native Orchid Society: waorchids@live.com

  • Height: 2 to 8 inches tall
  • Flower size: 3/4 inch tall
  • Blooms: June to July

    Photos courtesy of:© Eleanor Saulys