Rosidae

2 definitions found

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

  Dicotyledonae \Dicotyledonae\ n. (Bot.)
     a class of plants comprising those 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, class Dicotyledonae,
          Magnoliopsida, class Magnoliopsida.
          [WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  Rosidae
       n : a group of trees and shrubs and herbs mostly with
           polypetalous flowers; contains 108 families including
           Rosaceae; Crassulaceae; Myrtaceae; Melastomaceae;
           Euphorbiaceae; Umbelliferae [syn: {subclass Rosidae}]