rumex crispus

2 definitions found

rumex crispus - Collaborative International Dictionary of English v.0.48 :

  Rumicin \Ru"mi*cin\, n. (Chem.)
     A yellow crystalline substance found in the root of yellow
     dock (Rumex crispus) and identical with chrysophanic acid
     .
     [1913 Webster]

  Dock \Dock\ (d[o^]k), n. [AS. docce; of uncertain origin; cf. G.
     docken-bl[aum]tter, Gael. dogha burdock, OF. doque; perh.
     akin to L. daucus, daucum, Gr. ?, ?, a kind of parsnip or
     carrot, used in medicine. Cf. Burdock.] (Bot.)
     A genus of plants (Rumex), some species of which are
     well-known weeds which have a long taproot and are difficult
     of extermination.
     [1913 Webster]
  
     Note: Yellow dock is Rumex crispus, with smooth curly
           leaves and yellow root, which that of other species is
           used medicinally as an astringent and tonic.
           [1913 Webster]