块茎类球形，有的稍扁斜。表面白色或淡黄色，顶端有凹陷的茎痕，周围密布麻点状根痕；下面钝圆。断面洁白，富粉性。无臭，味辛辣．麻舌刺喉的药材为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26294' and id < 2199645 and id<>'2199645' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26294' and id > 2199645 and id<>'2199645' order by id asc limit 5