地黄 Traditional form: 地黃 Pinyin (reading): dìhuáng Definitions: Chinese foxglove (Rehmannia glutinosa), its rhizome used in TCM Characters: 地 - earth, ground, soil; land, region; structural particle used before a verb 黄 - yellow; surname Traditional characters: 地 - earth, ground, soil; land, region; structural particle used before a verb 黃 - yellow; surname