The most common and most likely answer to this crossword clue is the 7 letter word GLADDON
G
L
A
D
D
O
N
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 = gladdon.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.
What does GLADDON mean?
GLADDON noun- Sword grass.
- Any plant with sword-shaped leaves, especially Iris foetidissima.