Inexperienced where it comes to putting (5)

I believe the answer is:

green

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'inexperienced' is the definition.
('green' can be similar in meaning to 'inexperienced')

I cannot understand how the rest of the clue works.

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(Other definitions for green that I've seen before include "part of the golf course" , "driver may go on it" , "It's for putting on - colour - inexperienced" , "Raw - inexperienced" , "bowlers here?" .)

I've seen this clue in The Globe and Mail.

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