The Collaborative International Dictionary of English v.0.48:

chanar \chanar\ n.
   a thorny shrub or small tree (Geoffroea decorticans) common
   in central Argentina having small orange or yellow flowers
   followed by edible berries.

   Syn: chanal, Geoffroea decorticans.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Geoffroea decorticans
    n 1: thorny shrub or small tree common in central Argentina
         having small orange or yellow flowers followed by edible
         berries [syn: chanar, chanal, Geoffroea decorticans]