Compass plant
Silphium laciniatum L.
other common names: rosinweed, turpentine plant, polar plant
Silphium: an old Greek generic name relating to the resinous juice
Laciniatum: Latin for “slashed”
Daisy family: Asteraceae (Compositae)
Photograph by Thomas Rosburg, Wildflowers of the Tallgrass Prairie: The Upper Midwest, Second Edition
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