A primrose having a golden quality Dulac discovered (8)

I believe the answer is:

auricula

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'a primrose' is the definition.
(auricula is a kind of primrose)

'a golden quality dulac discovered' is the wordplay.
'a golden quality' becomes 'auric' (I am not sure about this - if you are sure you should believe this answer much more).
'discovered' indicates the central letters (dis-covered - outer letters removed).
The middle of 'dulac' is 'ula'.
'auric'+'ula'='AURICULA'

'having' acts as a link.

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I've seen this clue in The Independent.

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