alismatidae

1 definition found

alismatidae - WordNet (r) 2.1 (2005) :

  Alismatidae
      n 1: one of four subclasses or superorders of Monocotyledones;
           comprises about 500 species in 14 families of aquatic and
           semiaquatic herbs [syn: Alismatidae, subclass Alismatidae
           ]