根呈圆柱形，中部略粗或上粗下细，有的微变曲似羊角。表面灰黄色或灰褐色。质坚实，不易折断，断面黑色，微有光泽。气特异似焦糖的药材是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26295' and id < 2199714 and id<>'2199714' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26295' and id > 2199714 and id<>'2199714' order by id asc limit 5