Prudishly disapproving of chocolates and flowers (9)

I believe the answer is:

primroses

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'flowers' is the definition.
(I've seen this before)

'prudishly disapproving of chocolates' is the wordplay.
'prudishly disapproving' becomes 'prim' (I've seen this before).
'of chocolates' becomes 'roses' (I am not sure about this - if you are sure you should believe this answer much more).
'prim'+'roses'='PRIMROSES'

'and' is the link.

Can you help me to learn more?

(Other definitions for primroses that I've seen before include "plants" , "Promisers or pretty yellow flowers" .)

I've seen this clue in The Irish Times.

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