### Clue: Talk about scent for a flower! (4)
### Answer: ODER 
 ### Explanation: Talk about scent for a flower! (4)
Homophone of **ODOUR **("scent"). 
The river Oder flows rises in the Czech Republic and flows into the Baltic Sea. The word "flower" as in "that which flows" is often used to indicate "river" in Crosswordland.