Augmentative of Papaya. The papaya is a plant tree native to the Caribbean. Its scientific name is Carica papaya. Family Caricaceae's receives other names such as papaya, tree Melon, fruit bomb, papaya, Papayon, Papaw and Pawpaw. In Colombia also we say Papayazo, Papayon, or Papaya to a great beneficial opportunity to our interests. There are 22 recognized species of papayas ( Genus Carica ).