Producer of 2 metre long English pants? (3,4)

I believe the answer is:

elm tree

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'producer of 2' is the definition.
The definition suggests a singular noun which matches the answer.

'metre long english pants?' is the wordplay.
'long' becomes 'l'.
'english' becomes 'E' (abbreviation).
'pants?' indicates an anagram (I've seen 'pants' mean this (UK informal term for 'nonsense' or 'rubbish')).
'metre'+'l'+'e'='metrele'
'metrele' is an anagram of 'ELM-TREE'.

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(Other definitions for elm tree that I've seen before include "plant" , "Victim of a "Dutch" disease" .)

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