为不规则形或类圆形的片。外表皮棕色或棕褐色，粗糙，具明显纵沟及不规则凹陷；切面浅棕色或棕褐色，散在黄色三角状维管束；气微，味甘而涩的饮片是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29383' and id < 2393522 and id<>'2393522' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29383' and id > 2393522 and id<>'2393522' order by id asc limit 5