The plant "inextricably entwined” and in love with the honeysuckle in a Flanders and Swann song (8)

I believe the answer is:

bindweed

(Other definitions for bindweed that I've seen before include "Gardener's bane - widen bed (anag)" , "Be winded (anag.)" , "Strangler" , "Convolvulus" , "Twining invasive plant" .)

I've seen this clue in The Times.

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