Indian pink
/ˌɪndɪən ˈpɪŋk/noun
1A perennial flowering pink, Dianthus chinensis; = China-pink.
2 North American. The pinkroot, Spigelia marilandica (family Loganiaceae), found in moist woodland areas of the south-eastern United States, having red tubular flowers and a root which was formerly used as an anthelmintic.
Origin
Mid 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer. From Indian + pink.