The most common and most likely answer to this crossword clue is the 14 letter word LOVE-IN-A-MIST
I've seen this crossword clue in The Guardian
L
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More clues leading to the result LOVE-IN-A-MIST
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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 LOVE-IN-A-MIST mean?
LOVE-IN-A-MIST noun- Nigella damascena, an annual flowering plant of the genus Nigella, the blooms of which are generally blue in colour, though also found in shades of pink, white or pale purple.