断面略显纤维性，黄白色，粉性，形成层环明显,射线放射状,有的有裂隙,显“菊花心”；粉末显微鉴别可见纤维成束，周围薄壁细胞含草酸钙方晶，形成晶纤维的药材是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29382' and id < 2393410 and id<>'2393410' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29382' and id > 2393410 and id<>'2393410' order by id asc limit 5