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Lupinus saxosus

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Species of legume

Lupinus saxosus
Conservation status

Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Lupinus
Species: L. saxosus
Binomial name
Lupinus saxosus
Howell
Synonyms

Lupinus polyphyllus var. saxosus (Howell)

Lupinus saxosus is a species of lupine known by the common name rock lupine. It is native to eastern Washington, eastern Oregon, and the northeast corner of California,where it grows in sagebrush and other habitat. It may also be native to Idaho and Nevada.

Description

This is a perennial herb growing erect 20 to 30 centimeters (7.9 to 11.8 in) tall. Each palmate leaf is made up of 7 to 13 hairy leaflets 1 to 4 centimeters (0.39 to 1.57 in) long. Stiff long hairs are found on the undersides and edges of the leaves, with no hair on top. The inflorescence is a dense raceme of many flowers sometimes arranged in whorls. The flower is between 1 and 2 centimeters (0.39 and 0.79 in) long and blue in color with a yellowish or violet patch on its banner. The fruit is a shaggy-haired legume pod up to 4 centimeters (1.6 in) in length. The flowering time is early spring. The 8 to 12 leaflets have acute or rounded tips. It is shorter than most lupine species. The bloom period is between the months of May and June. You shouldn’t eat any part of the lupine. It is most commonly found between the elevations of 4,000 to 6,000 feet (1,200 to 1,800 m). 52.3% of the time it was found, it was found in May, and 19.8% of the time, it was found in June.

Habitat

This lupine grows in poor rocky soils and is often found in shallow soils that are dry to basalt bedrock by midsummer.

References

  1. ^ "Lupinus saxosus | Stony-ground Lupine | Wildflowers of the Pacific Northwest". www.pnwflowers.com. Retrieved 2023-08-14.
  2. "Lupinus saxosus Howell | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2023-08-14.
  3. "Meadow Lupine, Rock Lupine, Stony-ground Lupine: Lupinus polyphyllus var. saxosus (Synonyms: Lupinus saxosus, Lupinus saxosus var. saxosus, Lupins saxosus var. subsericeus, Lupinus subsericeus)". science.halleyhosting.com. Retrieved 2023-08-14.
  4. "Lupinus saxosus Calflora". www.calflora.org. Retrieved 2023-08-14.
  5. "Lupinus saxosus | rock lupine". wildflowersearch.org. Retrieved 2023-08-14.
  6. "Lupinus saxosus Howell". www.gbif.org. Retrieved 2023-08-14.
  7. ^ Hitchcock, C.L. and Cronquist, A. 2018. Flora of the Pacific Northwest, 2nd Edition, p. 169. University of Washington Press, Seattle.

External links

Taxon identifiers
Lupinus saxosus

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