This fruit, also known as "mamao" is indigenous to the West Indies and northern South America. It grows on a tree which reaches fruit bearing age after only a year.

Papaya is also known as 'mamao' in some regions. It is indigenous to the West Indies and northern South America. One of papaya's remarkable characteristics is that it bears fruit very quickly - trees can produce fruit within 6-12 months of planting, making it one of the fastest fruit-bearing trees. This matches the description perfectly.