Description of desert? Wrong (8)

I believe the answer is:

forested

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'description of desert? wrong' is the definition.
Both the answer and definition are adjectives. Maybe there's an association between them I don't understand?

'of desert? wrong' is the wordplay.
'wrong' indicates anagramming the letters.
'of'+'desert'='ofdesert'
'ofdesert' with letters rearranged gives 'FORESTED'.

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I've seen this clue in The Guardian.

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