The fijoa is a shrub and a fruit of that same plant. It is a kind of guava. Its scientific name is Feijoa sellowiana (or Acca sellowiana) and the Rosaceae family. Also called freijoa, freijoa guava, guava feijoa, Brazilian guava. The name comes from that the German botanist Otto Karl Berg, is dedicated to the Brazilian João da Silva Feijó. Feijó is a surname of Portuguese origin and the name of a municipality in Brazil, in the State of Acre.
