杜仲 Traditional form: 杜仲 Pinyin (reading): dùzhòng Definitions: eucommia (a kind of rubber tree) Characters: 杜 - to prevent, to restrict, to stop; surname 仲 - middle brother; go between, mediator; surname Traditional characters: 杜 - to prevent, to restrict, to stop; surname 仲 - middle brother; go between, mediator; surname