'Banana's member of vegetable kingdom': artificial intelligence note (8)
I believe the answer is:
plantain
'banana's' is the definition.
(plantain is a kind of banana)
'member of vegetable kingdom artificial intelligence note' is the wordplay.
'member of vegetable kingdom' becomes 'plant' (I've seen this before).
'artificial intelligence' becomes 'AI' (synonyms).
'note' becomes 'n' (abbreviation).
'plant'+'ai'+'n'='PLANTAIN'
(Other definitions for plantain that I've seen before include "Pal at inn (anag)" , "Large banana - weed" , "Green-skinned banana" , "Banana-like fruit" , "Tropical plant like a banana" .)