Disfiguring scar on young trees (6)

I believe the answer is:

acorns

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'young trees' is the definition.
The definition and answer can be both plants as well as being plural nouns.
Maybe they are linked in a way I don't understand?

'disfiguring scar on' is the wordplay.
'disfiguring' indicates anagramming the letters.
'scar'+'on'='scaron'
'scaron' is an anagram of 'ACORNS'.

Can you help me to learn more?

(Other definitions for acorns that I've seen before include "'From little . . . . . . mighty oaks do grow'" , "From which 23 down grow" , "wild fruit" , "nuts" , "Potential oaks?" .)

I've seen this clue in the Sydney Morning Herald.

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