pink.root
n.（名词）A perennial plant(Spigelia marilandica) native to the southeast United States having flowers with a tubular corolla that is red outside and yellow inside. The rhizomes and roots were once used as a vermifuge. Also called wormgrass 驱虫草：一种美国东南部的多年生植物（赤根驱虫草） ，具有带内黄外红的管状花冠的花朵。其根茎与根部曾被用来做驱虫药 也作 wormgrass
