What is "maryland pinkroot"

Pinkroot \Pink"root`\, n.

1. (Med.) The root of Spigelia Marilandica, used as a powerful vermifuge; also, that of Spigelia Anthelmia. See definition 2 (below).

2. (Bot.)

   1. A perennial North American herb ( Spigelia Marilandica), sometimes cultivated for its showy red blossoms. Called also Carolina pink, Maryland pinkroot, and worm grass.

   2. An annual South American and West Indian plant ( Spigelia Anthelmia).