Calla palustris

from WordNet (r) 3.0 (2006)

Calla palustris
    n 1: plant of wetlands and bogs of temperate regions having
         small greenish flowers partly enclosed in a white spathe
         and red berries [syn: {wild calla}, {water arum}, {Calla
         palustris}]

from The Collaborative International Dictionary of English v.0.48

Water arum \Wa"ter a"rum\ (Bot.)
   An aroid herb ({Calla palustris}) having a white spathe. It
   is an inhabitant of the north temperate zone.
   [1913 Webster]

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