种子呈扁圆纽扣状，表面密被灰棕或灰绿色绢状毛，向四周呈辐射状排列，该药材是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30683' and id < 2473036 and id<>'2473036' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30683' and id > 2473036 and id<>'2473036' order by id asc limit 5