The most common and most likely answer to this crossword clue is the 7 letter word VERBENA
I've seen this crossword clue in The Daily Telegraph
V
E
R
B
E
N
A
More clues leading to the result VERBENA
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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 VERBENA mean?
VERBENA noun- Verbena, a genus of herbaceous plants of which several species are extensively cultivated for the great beauty of their flowers; vervain.