Localised (7)
I believe the answer is:
endemic
'localised' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for endemic that I've seen before include "(Of disease) widely found in a certain area" , "Disease found locally" , "Confined to (disease)" , "Peculiar to local area" , "Native to a certain area" .)