Methane monetised when they acquire plant (7)

I believe the answer is:

anemone

I'm a little stuck... Click here to teach me more about this clue!

'plant' is the definition.
(anemone is a kind of plant)

'methane monetised when they acquire' is the wordplay.
'ANEMONE' is hidden in amongst the letters.
But, I'm not sure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for anemone that I've seen before include "climbing plant" , "Woodland plant, eg the windflower" , "Plant of the buttercup family with brightly coloured flowers" , "bloomer" , "Woodland plant - name one (anag)" .)

I've seen this clue in The Irish Times.

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