Gentianella quinquefolia

Gentianella quinquefolia (Agueweed, Ague weed, Five-flowered gentian, Stiff gentian) is a medicinal plant. There are two subspecies:


 * Gentianella quinquefolia (L.) Small ssp. occidentalis (Gray) J.Gillett
 * Gentianella quinquefolia (L.) Small ssp. quinquefolia - syn. Gentiana quinquefolia L.