Valeriana officinalis

This article is about the herb. For other uses of the term see ValerianValerian (Valeriana officinalis, Valerianaceae) is a hardy perennial flowering plant, with heads of sweetly scented pink or white flowers. This "sweet" smell is quite overpowering when the flower is placed into a vase. The flowers are in bloom from June to September. Valerian was used as a perfume in the sixteenth century.
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Noun
1. tall rhizomatous plant having very fragrant flowers and rhizomes used medicinally
(synonym) common valerian, garden heliotrope
(hypernym) valerian

Valerian. 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 valerian, Indian valerian, Pacific valerian, Mexican valerian, garden heliotrope, and Valerianae radix.