Small orange (7)
'small orange' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for tangerine that I've seen before include "orange colour" , "Moroccan" , "Kind of orange" , "Variety of mandarin orange" , "Green tan I change into orange" .)
(Other definitions for satsuma that I've seen before include "Easily peeled orange" , "Citrus tree named after an old Japanese province" , "A small citrus fruit" , "Orange, district and style of Japanese pottery" , "Small, easily-peeled orange" .)