Robert W. Freckmann Herbarium


Because of technology changes and personnel changes at UWSP and the Wisconsin State Herbarium, the database of plant species housed at this site was merged with the database from the OLD WisFlora website to create a new Flora of Wisconsin website at Currently we are encouraging all Wisplant viewers to begin using the Flora of Wisconsin website as soon as possible. Wisplants will remain operational through July 13th. After that date, all traffic to Wisplants will be redirected to the Flora of Wisconsin website.

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  Triosteum perfoliatum L. image
Photographer: Robert Bierman           

Derek Anderson

Kenneth J. Sytsma

Kenneth J. Sytsma

Christopher Noll

Christopher Noll
Family Caprifoliaceae
Triosteum perfoliatum L.
feverwort, late horse-gentian, tinker's-weed, wild-coffee
Triosteum: Greek for "three bones" referring to the three hard seeds found in each fruit
perfoliatum: Latin for "through the leaf"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, perennial, 2'-4' tall forb; stems with many crisp, short hairs (less than .02")
Flower: purplish to greenish, 5-parted, 1/2" long, tubular-shaped, unequal lobes, hairy on the back and edges; inflorescence usually a cluster of 3-4 flowers per leaf axil; blooms May-June
Fruit:roundish, dry, dull orange/yellow berry with 3 oblong stones
Leaf:large, connected at base
Habitat: dry; woods, thickets; in thin, rocky soil

More Information Natural Communities Herbarium Specimens
All Triosteum list Google- Images or Text
Triosteum perfoliatum L. var. perfoliatum

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