略呈圆锥形或圆柱形，表面灰褐色或灰黄色，顶端有茎痕，周围有瘤状突起。体重，质坚，击碎后皮部与木部常分离的药材是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26292' and id < 2199511 and id<>'2199511' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26292' and id > 2199511 and id<>'2199511' order by id asc limit 5