The Collaborative International Dictionary of English v.0.48:

madeira winter cherry \madeira winter cherry\ n. (Bot.)
   A small South American shrub (Solanum pseudocapsicum)
   cultivated as a houseplant for its abundant ornamental but
   poisonous red or yellow cherrylike fruit.

   Syn: Jerusalem cherry, winter cherry, Madeira winter cherry,
        Solanum pseudocapsicum.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Madeira winter cherry
    n 1: small South American shrub cultivated as a houseplant for
         its abundant ornamental but poisonous red or yellow cherry-
         sized fruit [syn: Jerusalem cherry, winter cherry,
         Madeira winter cherry, Solanum pseudocapsicum]