We were watching Hugh Fearnley-Whittingstall (sic) on telly last night. He was gathering hazelnuts from what he described as a hazelnut tree. Call me old-fashioned, but didn't they used to be called hazels?
Jen then pointed out that, if Mr Fearnley-Whittingstall were being consistent, he would actually have been gathering hazelnut tree nuts—presumably from a hazelnut tree nut tree.
And so forth…
Somewhat tenuous Hazel-Gruts links: