Culver's root

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Culver's root

(kŭl′vərz)
n.
1. A perennial herb (Veronicastrum virginicum) native to eastern North America, having whorled leaves and small white or pinkish flowers in slender spikes.
2. The rootstock of this plant, formerly used in medicine as a cathartic and an emetic.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

black root

(blak rūt)
Herbal made from Veronicastrum virginicum; foul-tasting, used as an emetic and cathartic; purported value in therapy for hepatic and biliary disorders. Hepatotoxicity reported.
Synonym(s): Culver's root, high veronica, physic root, tall speedwell, veronica.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012