''Lupinus bingenensis,'' common name bingen lupine or Suksdorf's lupine, is a plant species native to the US states of

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

Idaho Idaho ( ) is a state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Montana and Wyom ...

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columbi ...

and

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

as well as from

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

. Lupinus grows well in mountainous regions. The name honors the city of Bingen, in

Klickitat County Klickitat County is a county located in the U.S. state of Washington. As of the 2020 census, the population was 22,735. The county seat and largest city is Goldendale. The county is named after the Klickitat tribe. History Klickitat Count ...

. ''Lupinus bingenensis'' is a perennial herb up to 100 cm (40 inches)tall, most of the shoots covered with silky hairs. Each leaf has 9-15 leaflets, oblanceolate with pointed tips, both sides green though with whitish hairs on both sides. Flowers are blue to lavender, borne in

racemes A raceme ( or ) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the s ...

up to 20 cm (8 inches) long.Leo H. Hitchcock & Arthur Cronquist. 1973. Flora of the Pacific Northwest, An Illustrated Manual. University of Washington Press, Seattle. Several varietal names have been proposed, only two of which are widely recognized at present: ''Lupinus bingenensis'' var. ''bingenensis'' ''Lupinus bingenensis'' var. ''subsaccatus'' Suksd.

References

bingenensis Flora of Washington (state) Flora of Oregon Flora of British Columbia Flora of Idaho Flora of Montana Flora without expected TNC conservation status {{Lupinus-stub