I call Mae out for a flowering ornamental shrub (8)

I believe the answer is:

camellia

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

'i call mae out' is the wordplay.
'out' indicates anagramming the letters (out can mean wrong or inaccurate).
'i'+'call'+'mae'='icallmae'
'icallmae' is an anagram of 'CAMELLIA'.

'for a flowering' is the link.
This may not be correct. Some or all of it may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for camellia that I've seen before include "Email Cal about the flowering shrub" , "10" , "Shrub related to tea plant" , "Japonica" , "Make the flower from strange lace mail" .)

I've seen this clue in the Sydney Morning Herald.

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