Valeriana officinalis

from WordNet (r) 3.0 (2006)

Valeriana officinalis
    n 1: tall rhizomatous plant having very fragrant flowers and
         rhizomes used medicinally [syn: {common valerian}, {garden
         heliotrope}, {Valeriana officinalis}]

from The Collaborative International Dictionary of English v.0.48

Setwall \Set"wall`\, n. [CF. {Cetewale}.] (Bot.)
   A plant formerly valued for its restorative qualities
   ({Valeriana officinalis}, or {Valeriana Pyrenaica}). [Obs.]
   [Written also {setwal}.] --Chaucer.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Valerian \Va*le"ri*an\, n. [LL. valeriana, perhaps from some
   person named Valerius, or fr. L. valere to be strong.
   powerful, on account of its medicinal virtues: cf. F.
   val['e]riane.] (Bot.)
   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.
   [1913 Webster]

   {Greek valerian} (Bot.), a plant ({Polemonium caeruleum})
      with blue or white flowers, and leaves resembling those of
      the officinal valerian.
      [1913 Webster]