Remark: This genus has about 500 species, distributed in tropical and temperate regions. In Taiwan there are 18 species. The rhizome of Purple nutsedge is a common Chinese herbal medicine.
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- 附注:本属植物约有500馀种,分布于热带及暖温带;台湾有18种;香附子的根茎常被用作中药材。