... cough, lung abscess pus spit, hot shower astringent pain. Identification of drugs: Reed phragmites as roots, stems for the ... of reed stems can be replaced by reed rhizome. Character identification: Fresh rhizome cylindrical, some slightly flat, of varying lengths ... , small phloem cells, the central pith large, hollow. Application identification: Reed rhizome and Kudzu, able to relieving heat. However, ...