It grows among luxuriant reeds (4)

I believe the answer is:

tree

'it grows' is the definition.

'among luxuriant reeds' is the wordplay.
'among' says the answer is hidden in the clue.
'TREE' is hidden within 'luxuriant reeds'.

(Other definitions for tree that I've seen before include "Eg, cypress" , "Eg, elm or oak" , "Sequoia, for example" , "May" , "Oak, say" .)

I've seen this clue in the Evening Standard.

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