Wood betonyPedicularis canadensis L.
other common names: lousewort, snaffles, beefsteak plant, high heal-all
Pedicularis: from Latin pediculus, meaning “louse” or “lousy.” Cattle and sheep grazing in pastures with this plant were once expected to become infected with lice.
Canadensis: meaning “of Canada”
Snapdragon family: Scrophulariaceae
Photograph by Thomas Rosburg, Wildflowers of the Tallgrass Prairie: The Upper Midwest, Second Edition