Purple flower, hot from Dublin perhaps (5)
I believe the answer is:
irish
'from dublin perhaps' is the definition.
(Dublin is the capital of Ireland)
'purple flower hot' is the wordplay.
'purple flower' becomes 'iris' (I've seen this in another clue).
'hot' becomes 'h' (abbreviation, eg on taps).
'iris'+'h'='IRISH'
(Other definitions for irish that I've seen before include "Nationality" , "of European country" , "From Dublin maybe" , "A people, language and whiskey" , "Native to the Emerald Isle" .)