DICT.TW Dictionary Taiwan

 Dicotyledones
      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: class Dicotyledones, Dicotyledonae, class
          Dicotyledonae, Magnoliopsida, class Magnoliopsida]