下列蔬菜中（ ）的食用部分不是茎。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29830' and id < 2421030 and id<>'2421030' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29830' and id > 2421030 and id<>'2421030' order by id asc limit 5