根茎呈结状，下部着生多数细根。表面红棕色或棕色；皮部易剥落，露出黄红色木质部。质脆，易折断，横切面皮部窄，紫红色木部宽广，浅黄红色。气微，味苦的药材是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26295' and id < 2199763 and id<>'2199763' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26295' and id > 2199763 and id<>'2199763' order by id asc limit 5