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Valerianae radix

(vuh-LEER-ee-un-i RAY-dix)
A plant whose roots are used as a sedative and to treat certain medical conditions. It is being studied as a way to improve sleep in cancer patients undergoing treatment. Also called garden heliotrope, garden valerian, Indian valerian, Mexican valerian, Pacific valerian, valerian, and Valeriana officinalis.
Search NCI's Dictionary of Cancer Terms