The most common and most likely answer to this crossword clue is the 10 letter word QUATREFOIL
I've seen this crossword clue in The Guardian
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More clues leading to the result QUATREFOIL
Buddy explains!

The straight part
We know that "leaves at the count of four/leaves at the count of four" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case leaves at the count of four/leaves at the count of four = quatrefoil.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 QUATREFOIL mean?
QUATREFOIL noun- A symmetrical shape that forms the overall outline of four partially-overlapping circles of the same diameter.
- A stylized flower or leaf with four lobes.