Macroscopic, microscopic characteristics of Rhizoma Dioscorea zingiberensis and D. tenuipes as well as their ultramicro characteristics of vessel inner walls were studied.

• 盾叶萆和细萆皆来源于薯蓣属萆植物的根茎，它们形态相似，为研究它们的生药学特征并鉴别之，通过宏观性状况察、显微镜微观结构探索及扫描电镜超微结构研究，结果发现该两药材的宏观、微观和超微结构既有单子叶植物的共同特征，也有单子叶植物不常具有的特征。