Unreliable source Image:Feijoa.jpg The Feijoa, also known as Pineapple Guava or Guavasteen, is an evergreen shrub or small tree, 1–7 m in height, originating from the highlands of southern Brazil, parts of Colombia, Uruguay and northern Argentina. German botanist Otto Karl Berg named Feijoa after João da Silva Feijó, a Brazilian botanist.