It is used disordered in different areas and it ' s quality is hard to handle , so : ( 1 ) based on former research , this article firstly studies the macroscopic and microscopic characters of s . bifolia , s . cincta and s . erythrosticta 為此: ( 1 )本文在前期研究的基礎(chǔ)上首次對二葉獐牙菜( s bifolia ) 、西南獐牙菜( s cincta )與紅直獐牙菜( s