杜衡 Traditional form: 杜衡 Pinyin (reading): dùhéng Definitions: Asarum forbesii (wild ginger plant) Characters: 杜 - to prevent, to restrict, to stop; surname 衡 - to measure, to weigh; to consider, to judge Traditional characters: 杜 - to prevent, to restrict, to stop; surname 衡 - to measure, to weigh; to consider, to judge