The most common and most likely answer to this crossword clue is the 6 letter word URTICA
U
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T
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A
More clues leading to the result URTICA
- Nettle that’s hurt I can cut first and last
- Plant yielding fibre and an acidic fruit, mostly from the east
- Weed: a vineyard infested with it suffers reverse
- Nettle sting I regularly scrat, removing top
- A cut I treated round finger’s end – it may sting
- Last bit cut from a lemon? Give it a twirl in stinger
Buddy explains!

The straight part
We know that "it may sting" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it may sting = urtica.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.