taiwan's national treasure broussonetia papyrifera

animal application archaeology areas autumn biodiversity biology botanical botanists botany branch broussonetia classification conservation consumption cultivation cultural culture deciduous ecological ecology economy education environment evergreen experts field flower folk food forest fruit fruits garden gardens green handicrafts heritage history important insect jungle leaf leather leaves livestock medicine mulberry national native natural nature paper papyrifera plant plants position practice processing produce production propagation properties protected protection research resources rich shrub significance silk society stems symbol taiwan technology tradition treasure tree wide