From memory, an Italian native (5)
I believe the answer is:
roman
'italian native' is the definition.
(someone native to Rome)
'from memory an' is the wordplay.
'from memory' becomes 'rom' (I can't explain this - if you can you should believe this answer much more).
'rom'+'an'='ROMAN'
Can you help me to learn more?
(Other definitions for roman that I've seen before include "From Italy's capital" , "Old Italian l" , "Printing style" , "Audrey Hepburn film (time off in Italy)" , "- Catholic; - candle" .)