Womble's Venezuelan flower (7)

I believe the answer is:

orinoco

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'flower' is the definition.
(Orinoco is an example)

I don't understand the remainder of the clue.

(Other definitions for orinoco that I've seen before include "Great river flowing through Venezuela to Atlantic" , "resident on Wimbledon Common" , "South American river - lazy Womble" , "Venezuelan river; one of Wombles" , "moves between South American banks" .)

I've seen this clue in The Sun.

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