Lewisia sacajaweana

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Lewisia sacajaweana
Lewisia sacajaweana 2.jpg

Imperiled (NatureServe)
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Montiaceae
Genus: Lewisia
Species: L. sacajaweana
Binomial name
Lewisia sacajaweana

Lewisia sacajaweana is a species of flowering plant in the Montiaceae family known by the common name Sacajawea's bitterroot. It is endemic to Idaho, where it is known from approximately two dozen sites, with about 75 percent of them in Boise National Forest. It is usually found at elevations ranging from 5,000 feet (1,500 m) to 9,500 feet (2,900 m) above sea level and produces white flowers shortly after snowmelt.[1][2]

The species is named in honor of Sacagawea, Native American guide to the Lewis and Clark Expedition. It is part of a genus named for Meriwether Lewis of the same expedition.


  1. ^ "Sacajawea's bitterroot (Lewisia sacajaweana)". U.S. Forest Service. Archived from the original on 20 June 2013. Retrieved June 20, 2013.
  2. ^ "Lewisia sacajaweana". USDA. Retrieved 20 June 2013.