Crossword Genius

After five Americans leave bar area ready, ale's drunk — and some kind of wine? (10)

Ross

I believe the answer is:

elderberry

'some kind of wine?' is the definition.
(I've seen this in another clue)

I cannot understand how the remainder of the clue works.

(Other definitions for elderberry that I've seen before include "A blue-black fruit" , "Fruit used to make wine" , "Fruit used for home-made wine" , "Wine or jelly can be made from this" , "Fruit used for jelly or wine" .)

I've seen this clue in The Guardian.
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