Tropical fruit with yellow skin and pink flesh (5)
I believe the answer is:
guava
'tropical fruit with yellow skin and pink flesh' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for guava that I've seen before include "Tropical tree with yellow fruit" , "South American fruit" , "Tropical fruit with yellow skin and pink flesh" , "Large cask; tube" , "Tropical fruit with yellow skin and pink pulp" .)