"pinkroot." YourDictionary, n.d. Web. 16 October 2018. <http://www.yourdictionary.com/pinkroot>.
pinkroot. (n.d.). Retrieved October 16th, 2018, from http://www.yourdictionary.com/pinkroot
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 .