Name incomplete on account of a bloomer (5)

I believe the answer is:

lilac

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'of a bloomer' is the definition.
The definition suggests a singular noun which matches the answer.

'name incomplete on account' is the wordplay.
'name' becomes 'lil'.
'incomplete on account' becomes 'ac' (I am not sure about this - if you are sure you should believe this answer much more).
'lil'+'ac'='LILAC'

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(Other definitions for lilac that I've seen before include "Light purple - shrub" , "Pinkish purple - shrub" , "Purplish in colour" , "Lavender-coloured" , "Shrub with fragrant pink, purple or white flowers" .)

I've seen this clue in the Evening Standard.

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