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Leaves of this plant were once used to make bandages, their shape indicating their usefulness in healing broken bones, giving rise to the common name. This north American native grows in moist woods, thickets and swamps. It serves as a nectar and pollen source for butterflies and several other pollinators. Flowers are very attractive to diverse kinds of insects. All parts of the plant are quite toxic and bitter. It can tolerate occasional temporary flooding.