''Penstemon grandiflorus'', the large-flowered beardtongue or large beardtongue, is a

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the United States. It is sometimes called ''Penstemon bradburyi''. The Lakota name for this plant is kimi'milia tawana'hca, butterfly flower. The

Dakota people The Dakota (pronounced , Dakota language: ''Dakȟóta/Dakhóta'') are a Native American tribe and First Nations band government in North America. They compose two of the three main subcultures of the Sioux people, and are typically divided into ...

are recorded by the ethnographer Dilwyn J. Rogers as using the boiled root for chest pain. It is considered

Endangered An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

References

grandiflorus Flora of the United States {{Plantaginaceae-stub