The most common and most likely answer to this crossword clue is the 4 letter word URAL
I've seen this crossword clue in The Guardian
U
R
A
L
More clues leading to the result URAL
- Address covering a river of Eurasia
- Where men go, but not in river
- River in countryside with source hidden
- Flower in the countryside opening out
- Naturalist’s flower
- River that’s guardable with regular detachments
- Flower attached to a wall
- Current selection from 1994 album
- Laura endlessly floundering in the river
- River suggesting the country separated from its source?
Buddy explains!
The straight part
We know that "flower" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case flower = ural.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.