Start of banana farming in Africa pushed back 2000 years According to recent evidence from Uganda, the banana may have arrived on the African continent more than 4000 years ago, some 2000 years before the accepted introduction of the fruit on the continent. The finding was published in the January 2006 issue of the Journal of Archaeological Science (Vol. 33(1):102-113). The authors base their claim on banana phytoliths - distinctive microscopic silica bodies that accumulate in plant cells - which they found in sedimentary layers estimated to be 4000-4500 years old. Earlier findings in Cameroon of 2500 year-old banana phytoliths...