Crossword Genius

No strict transatlantic oversight of this flower (7)

Ross

I believe the answer is:

lantana

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

'no strict transatlantic oversight of this flower' is the definition.
The answer and definition can be both plants as well as being singular nouns.
Perhaps there's an association between them I don't understand?

This is all the clue.

Can you help me to learn more?

(Another definition for lantana that I've seen is " Plant".)

I've seen this clue in the Sydney Morning Herald.
Want a hint initially instead of a full solution? Install my app