from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A plant of the genus Valeriana, especially V. officinalis, native to Eurasia and widely cultivated for its small, fragrant, white to pink or lavender flowers and for use in medicine.
- n. The dried rhizomes of this plant, used medicinally as a sedative.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hardy perennial flowering plant, Valeriana officinalis, with heads of sweetly scented pink or white flowers.
- n. More generally, any plant of the genus Valeriana.
- n. The root of Valeriana officinalis, used in herbal medicine.
from the GNU version of the Collaborative International Dictionary of English
- n. Any plant of the genus Valeriana. The root of the officinal valerian (Valeriana officinalis) has a strong smell, and is much used in medicine as an antispasmodic.
from The Century Dictionary and Cyclopedia
- n. A plant of the genus Valeriana.
- n. The rootstocks of the officinal valerian, or some preparation from them.
- Pertaining to any one of the name of Valerius
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a plant of the genus Valeriana having lobed or dissected leaves and cymose white or pink flowers
Commonly used ingredients already registered include echinacea, which is used against colds, St John's wort, used for depression and anxiety, and valerian, which is claimed to ease insomnia.
It is covered with a very soft, hoary, velvet-like down, and has a strong, pungent, aromatic odour, like penny royal or valerian, that is peculiarly grateful to cats, whence its specific and English names.
The valerian is a perennial herb, multiplying itself yearly by  slender rootstocks or runners producing at their tips new rosettes of leaves and in the center of these the flowering stem.
Melatonin is used for the latter, while ingredients such as valerian root and chamomile take care of the former, Healy says.
As it was, I had a question for him, an inquiry about a flower called "valerian".
Hormone replacement therapy and natural sleep remedies such as valerian can also help, says Northrup.
• Try a natural sleep remedy, such as valerian, chamomile or melatonin.
While the relaxation drinks have different flavors and ingredients, they all contain nutritional supplements known for their calming effects, such as valerian root, melatonin and chamomile.
If a person is taking an anticonvulsant that is obviously necessary, and already requires liver function tests as safety precautions, and then you add and herb such as valerian root for sleeping or what have you, it honestly would be wise to check into how safe this might be.
I have learned though, that combining certain herbs with other drugs that perform the same thing in the body can actually be dangerous, and that too much of certain herbs such as valerian root can be dangerous.