Named for Arnold Gille (Gillenius), 17th century German botanist who had a garden in Cassel.

Stearn, W.T. (1996). Dictionary of Plant Names for Gardeners. Cassell.

Used in Traditional Native American Herbal Medicine: The dried powdered root bark is cathartic, slightly diaphoretic, a mild and efficient emetic, expectorant and tonic. Minute doses are used internally in the treatment of colds, chronic diarrhoea, constipation, asthma and other bronchial complaints.

https://pfaf.org/user/Plant.aspx?LatinName=Gillenia+trifoliata

Northern America, Eastern Canada

Northern America, North-Central U.S.A.

Northern America, Northeastern U.S.A.

Northern America, Southeastern U.S.A.