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18.117.168.40

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1 definition found

From: WordNet (r) 2.0

 Commelinidae
      n : one of four subclasses or superorders of Monocotyledones;
          comprises about 19,000 species in 25 families of mostly
          terrestrial herbs especially of moist places including:
          Cyperaceae; Gramineae; Bromeliaceae; and Zingiberaceae
          [syn: subclass Commelinidae]