Coconut-scented leaf

Coconut-scented leaf

Observation - Coconut-scented leaf. Description: Someone sent me this leaf to identify but I'm stumped. The leaf-blade is 16cm long and smells strongly of coconut. It was collected in a churchyard in Buckinghamshire and I suspect is a garden escape.

Someone sent me this leaf to identify but I'm stumped.
The leaf-blade is 16cm long and smells strongly of coconut.
It was collected in a churchyard in Buckinghamshire and I suspect is a garden escape.