The most common and most likely answer to this crossword clue is the 4 letter word AVON
A
V
O
N
More clues leading to the result AVON
- Bath water has Virginia withdrawing leg
- A very old name for a flower
- Recalled star GB runner
- Number 5: a climbing flower
- French plane one ditched in river
- Upset star and make-up people?
- Rising star, Shakespeare’s local flower
- Afraid at first to get very close to river
- New star makes a comeback at Stratford
- River of Eden towards the end
Buddy explains!

The straight part
We know that "a flower" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a flower = avon.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.