Party of the right and not vice versa, perhaps (12)

I believe the answer is:

conservative

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

'party of the right' is the definition.
'conservative' can be an answer for 'right' (thesaurus). I am unsure of the 'party of the' bit.

'not vice versa perhaps' is the wordplay.
'perhaps' indicates anagramming the letters.
'not'+'vice'+'versa'='notviceversa'
'notviceversa' anagrammed gives 'CONSERVATIVE'.

'and' is the link.

Can you help me to learn more?

(Other definitions for conservative that I've seen before include "politician" , "True blue" , "right-wing?" , "Averse to change" , "Traditionalist" .)

I've seen this clue in The Irish Independent.

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