Dicksonia

from WordNet (r) 3.0 (2006)

Dicksonia
    n 1: tree ferns of temperate Australasia having bipinnatifid or
         tripinnatifid fronds and usually marginal sori; in some
         classification systems placed in family Cyatheaceae [syn:
         {Dicksonia}, {genus Dicksonia}]

from The Collaborative International Dictionary of English v.0.48

Dicksonia \Dicksonia\ prop. n.
   A genus of tree ferns of temperate Australasia having
   bipinnatifid or tripinnatifid fronds and usually marginal
   sori; in some classification systems it is placed in the
   family {Cyatheaceae}.

   Syn: genus {Dicksonia}.
        [WordNet 1.5]