melicoccus bijugatus

from The Collaborative International Dictionary of English v.0.48

ginep \ginep\ n.
   A tropical American tree ({Melicocca bijuga}) bearing a small
   edible fruit with green leathery skin and sweet juicy
   translucent pulp. [Also spelled {genip}.]

   Syn: Spanish lime, Spanish lime tree, honey berry,
        mamoncillo, {Melicocca bijuga}, {Melicoccus bijugatus}.
        [WordNet 1.5]