具有呈圆柱形，极少有分枝；上粗下细，表面灰黄色，有时可见黄白色网状纤维；断面纤维性，皮部黄白色，有"菊花心"特征的药材是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26294' and id < 2199636 and id<>'2199636' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26294' and id > 2199636 and id<>'2199636' order by id asc limit 5