cocks-eggs

from The Collaborative International Dictionary of English v.0.48

cock's-eggs \cock's-eggs\ n.
   a weedy vine of Argentina ({Salpichroa organifolia}) having
   solitary white flowers followed by egg-shaped white or yellow
   fruit.

   Syn: cock's eggs, {Salpichroa organifolia}, {Salpichroa
        rhomboidea}.
        [WordNet 1.5]