Parthenium integrifolium L. var. integrifolium

Locations ofParthenium integrifolium L. var. integrifolium in Virginia

Show image with county labels


Botanical Name
Parthenium integrifolium L. var. integrifolium
Common Name
Common Wild Quinine
Flora of Virginia Name/Status
Parthenium integrifolium L. var integrifolium
Variation in number of flower heads and leaf dimensions is the basis for two putative varieties in Virginia: var. integrifolium, and var. mabryanum Mears. Although most Virginia specimens of Parthenium integrifolium have not been identified to variety, var. integrifolium is clearly the more common of the two. See map and comments for var. mabryanum.
Dry-mesic to dry, open forests, woodlands, barrens, and clearings; mostly on acidic to moderately basic soils. Frequent in the mountains (except sw. Virginia) and Piedmont; infrequent in the Coastal Plain.
Native Status

To save this map, right-click (control-click for Mac users) on the map and choose "Save Image As...".