ague-weed, stiff gentian
Etymology: Gentianella: little Gentian, reflecting its having been split off from the genus Gentiana because, while very similar, was of a different enough character and measurements to warrant its own genus
Plants: erect, perennial, 3"-16" tall forb
Leaves: stalkless, opposite, lance-shaped
Flowers: purple to white, 4-5-parted, 5/8" long, tubular-shaped with a small opening at the top, no folds between the petals; inflorescence mostly a tall, dense, branched cluster (cyme) at the ends of the stems and branches; blooms Aug.-Oct.
Habitat: dry; prairies, woods; in limy soil
Conservation Status: Native
Floristic Rating: Coefficient of Conservatism = 7, Wetland Indicator = FAC Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key.