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Lupinus bingenensis
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Faboideae
Genus:	Lupinus
Species:	L. bingenensis
Binomial name
Lupinus bingenensis Suksd.
Synonyms
Lupinus leucopsis var. bingenensis (Suksd.) C.P. Sm.

Lupinus bingenensis, common name bingen lupine or Suksdorf's lupine, is a plant species native to the US states of Washington, Idaho, Montana and Oregon as well as from British Columbia. Lupinus grows well in mountainous regions. The name honors the city of Bingen, in Klickitat County, Washington.

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 up to 20 cm (8 inches) long.

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

1. Tropicos
2. ^ The Plant List
3. Suksdorf, Wilhelm Nikolaus. Werdenda 1(2): 12–13. 1923.
4. Smith, Charles Piper. Species Lupinorum 7: 112. 1939.
5. Wildflowers, Turner Photographics, Bellingham WA.
6. "Electronic Atlas of the Flora of British Columbia, University of British Columbia, Vancouver". Archived from the original on 2014-02-22. Retrieved 2014-02-10.
7. Leo H. Hitchcock & Arthur Cronquist. 1973. Flora of the Pacific Northwest, An Illustrated Manual. University of Washington Press, Seattle.

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