Field thistle (Cirsium discolor). Composite family (Compositae).
Hildegard von Bingen (1098-1179): “The sweat of the earth, from which this herb is born, makes it twisted. Just as people sweat when they are anxious, so also the sweat of the earth sends forth twisted herbs that are harmful.” (Hildegard’s Healing Plants: From Her Medieval Classic Physica, p. 92.)
Photo taken at Sugarcreek Metro Park, Bellbrook, OH. 9/2/2016.