Venezuelan flower for womble (7)
I believe the answer is:
orinoco
This clue is a double definition.
'venezuelan flower' is the first definition.
(Venezuelan river - something which flows)
'womble' is the second definition.
(character in The Wombles)
'for' acts as a link.
(Other definitions for orinoco that I've seen before include "River of South America" , "Colombia/Venezuela river" , "Venezuelan river; one of Wombles" , "Great river in the north of S America, flows through Venezuela" , "Great river flowing through Venezuela to Atlantic" .)