表面灰棕色至暗棕色，粗糙，有较密的环状节；断面略平坦，淡棕色至暗棕色，木部有4〜10个类白色点状维管束排列成环气微,味极苦的药材是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29382' and id < 2393367 and id<>'2393367' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29382' and id > 2393367 and id<>'2393367' order by id asc limit 5