表面淡黄色至淡黄棕色，有不规则的横向环状浅沟纹和多数细小突起的须根痕；质坚实，断面黄白色，粉性，有多数细孔的药材是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29382' and id < 2393379 and id<>'2393379' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29382' and id > 2393379 and id<>'2393379' order by id asc limit 5