Click here to read about the new US Department of Agriculture research facility in Hawaii, where scientists will work on developing papayas, pineapples, other Hawaiian crops.
This article is on the Agricultural Research Service website, which is a source of all sorts of fruit info. And, lots of nice photos free to use (don't forget to give credit) -- your tax dollars at work. Here's an example:
Hawaiian papayas, Carica papaya
USDA/Agricultural Research Service
Photo by Scott Bauer