WordNet (r) 3.0 (2006):

purple ground cherry
    n 1: Mexican annual naturalized in eastern North America having
         yellow to purple edible fruit resembling small tomatoes
         [syn: tomatillo, miltomate, purple ground cherry,
         jamberry, Physalis philadelphica]
    2: annual of tropical South America having edible purple fruits
       [syn: cape gooseberry, purple ground cherry, Physalis
       peruviana]