[Wikipedia] Etymology: Feijoa sellowiana Berg is from the genus which the German botanist, Ernst Berger, named after João da Silva Feijó, a Portuguese naturalist, and the specific name honors Friedrich Sellow, a German who first collected specimens of Feijoa in southern Brazil.[10] It has been nicknamed "pineapple guava", "Brazilian guava", "fig guava" or "guavasteen" in various countries. (link added by Mary Ann Machi)