Kendall County (IL) Forest Preserve District
Wild Quinine
(American Feverfew)
Parthenium integrifolium
[C-value
8]
Aster family (Asteraceae)
Blooms
mid-June -
mid-August
The native Wild Quinine is uncommon in our area. It prefers full sun and slightly moist conditions. Habitats include black soil prairies, openings in rocky upland forests, savannas and thickets. This perennial is 2-3' tall while in flower. It has a rosette of basal leaves up to 6" long and 4" wide on long petioles. From the rosette's center, a stout flowering stalk develops, which has smaller alternate leaves on short petioles. The inflorescence consists of several flat-headed clusters of small white flowers, about 1/3" across, bunched together. The overall effect is similar to a head of cauliflower.
Wild Quinine at Lyon Forest Preserve June 30, 2015
Wild Quinine foliage at Lyon Forest Preserve June 30, 2015
Wild Quinine at Maramech Forest Preserve July 30, 2014
Wild Quinine (mature seed heads) at Hoover Forest Preserve October 29, 2014
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