Chinese fruit (6)
'chinese fruit' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for lychee that I've seen before include "Oriental fruit" , "Litchi" , "Popular Chinese fruit" , "Fruit originally from China" , "Large-stoned fruit" .)
(Other definitions for kumquat that I've seen before include "Asian citrus-like fruit" , "Small Chinese orange" , "Small orange-like fruit" , "Chinese orange fruit" , "Small oval citrus fruit" .)