寻骨风为马兜铃科植物绵毛马兜铃的根茎或全草。又称清骨风、猫耳朵、穿地节、毛香、白面风、兔子耳。产于江苏、湖南、江西等地。寻骨风药材根茎呈细长圆柱形,直径约2mm,外表棕黄色,有纵皱纹,节处有须根或残留的根痕。断面类白色。茎细长,密被白绵毛;叶通常皱折或破裂,淡绿色,两面均密被白绵毛。气 See bone wind Aristolochia genus cotton wool Aristolochia roots or whole grass. Also known as clear bone wind, cat ears, wearing earth, hairy, white flour, rabbit ears. Produced in Jiangsu, Hunan, Jiangxi and other places. Gutter wind herbs are slender cylindrical, about 2mm in diameter, the appearance of brown, vertical wrinkles, knot roots or residual root marks. Section class white. Stems slender, densely white hairy; folds or ruffles often foliate, pale green, both sides densely white hairy. gas