polemonium caeruleum

2 definitions found

polemonium caeruleum - 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]

polemonium caeruleum - WordNet (r) 2.1 (2005) :

  Polemonium caeruleum
      n 1: pinnate-leaved European perennial having bright blue or
           white flowers [syn: Jacob's ladder, Greek valerian,
           charity, Polemonium caeruleum, Polemonium van- bruntiae
           , Polymonium caeruleum van-bruntiae]