表皮细胞外被子金黄色非腺毛，中柱为双韧管状中柱，木质部。由管胞组成，其内外均有韧皮部及内皮层的药材是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26292' and id < 2199516 and id<>'2199516' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26292' and id > 2199516 and id<>'2199516' order by id asc limit 5