Wild Quinine - Parthenium integrifolium

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on July 2, 2021.

Above: Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin (7/2/21).

Wild Quinine - Parthenium integrifolium (Threatened)

Wild Quinine grows 20" - 40" tall and prefers full sun and dry to moist areas such as prairies, meadows, woodland edges and hillsides.

Flower heads contain 15 or more whitish disc florets about 1/4" wide that have few rays (5-6) and a prominent disk.

Blooms June to September.

Other names: American feverfew, Eastern feverfew, Eastern parthenium.

Above: Wild Quinine leaves are alternate, large, toothed and stalkless to clasping.

For more information on the Wild Quinine, visit Wikipedia.

Or, visit the UW-Madison Wisconsin State Herbarium website page about Wild Quinine - Parthenium integrifolium.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 15, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 15, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 15, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 30, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 30, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 30, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 30, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 30, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 30, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 30, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 30, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 30, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on July 2, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on July 5, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on July 5, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on July 5, 2021.

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on August 2, 2021.

Wild Quinine in UW Arbortetum near UW Arboretum Visitor's Center in Madison, Wisconsin on June 24, 2022.

Wild Quinine in UW Arbortetum near UW Arboretum Visitor's Center in Madison, Wisconsin on June 24, 2022.

Wild Quinine in UW Arbortetum near UW Arboretum Visitor's Center in Madison, Wisconsin on June 24, 2022.

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Wisconsin Wildflowers

Wild Quinine
Parthenium integrifolium

Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 15, 2021.

Above: Wild Quinine in UW Arbortetum Native Gardens in Madison, Wisconsin on June 15, 2021.

Wild Quinine specimen collected north of Blanchardville on August 25, 1981.

Above: Wild Quinine specimen collected north of Blanchardville on August 25, 1981.

Wild Quinine botanical drawing.

Above: Wild Quinine botanical drawing.

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