US medal awarded to one wounded during enemy action (6,5)

I believe the answer is:

purple heart

(Other definitions for purple heart that I've seen before include "US award for wound in action - tree - drug tablet" , "Decoration for wounded members of the US armed forces" , "US military medal awarded to those wounded in action" , "American medal" , "US bravery award" .)

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

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