一名苍耳、即诗卷耳.轻、发汗、散风湿.
甘苦而温.善发汗.散风湿.上通脑顶.下行足膝.外达皮肤.治头痛目暗.齿痛鼻渊.
肢挛痹痛.瘰 疮疥.(李濒湖集简方、采根煎熬、名万应膏.)遍身瘙痒.(作浴汤佳.)散气耗血.虚人勿服.去刺酒蒸.忌猪肉.(千金翼、治毒攻手足肿痛欲断、苍耳捣汁渍之、并以滓敷之、立效、春用心、冬用子.)