茎略呈方柱形，多分枝；表面被柔毛；断面中部有髓。叶对生，展平后叶片呈卵形或椭圆形；两面均被灰白色绒毛的药材是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29383' and id < 2393528 and id<>'2393528' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29383' and id > 2393528 and id<>'2393528' order by id asc limit 5