Desmanthus Illinoensis AKA
Illinois Bundleflower:

Illinois Bundleflower is a woody pereniial herb that has been used by native Americans to alleviate symptoms of cold and flu. Desmanthus illinoensis was made into a pulp to alleviate skin and eye irritation. The root bark contains indole alkaloids and should be considered poisonous. Seeds should be soaked and scarified in order to properly germinate.