carduus

from WordNet (r) 3.0 (2006)
Carduus
    n 1: genus of annual or perennial Old World prickly thistles
         [syn: {Carduus}, {genus Carduus}]
    
from The Collaborative International Dictionary of English v.0.48
Carduus \Carduus\ n.
   a genus of annual or perennial Old World prickly thistles.

   Syn: genus Carduus.
        [WordNet 1.5]
    

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