A strange girl offering a plant (4,4)

I believe the answer is:

arum lily

'a plant' is the definition.
The answer is an example.

'a strange girl' is the wordplay.
'strange' becomes 'rum' (I've seen this before).
'girl' becomes 'lily' (I've seen this before**).
'a'+'rum'+'lily'='ARUM LILY'

'offering' acts as a link.

(Another definition for arum lily that I've seen is " plant".)

I've seen this clue in The Telegraph.

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