Magnoliopsida

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Magnoliopsida \Magnoliopsida\ n.
     A class of seed plants that produce an embryo with two
     cotyledons and net-veined leaves; divided into six (not
     always well distinguished) subclasses (or superorders):
     Magnoliidae and Hamamelidae (considered primitive);
     Caryophyllidae (an early and distinctive offshoot); and three


     more or less advanced groups: Dilleniidae; Rosidae;
     Asteridae.
  
     Syn: Dicotyledones, class Dicotyledones, Dicotyledonae, class
          Dicotyledonae, class Magnoliopsida.
          [WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  Magnoliopsida
       n : comprising seed plants that produce an embryo with paired
           cotyledons and net-veined leaves; divided into six (not
           always well distinguished) subclasses (or superorders):
           Magnoliidae and Hamamelidae (considered primitive);
           Caryophyllidae (an early and distinctive offshoot); and
           three more or less advanced groups: Dilleniidae; Rosidae;
           Asteridae [syn: {Dicotyledones}, {class Dicotyledones}, {Dicotyledonae},
            {class Dicotyledonae}, {class Magnoliopsida}]