The most common and most likely answer to this crossword clue is the 7 letter word ACHENES
A
C
H
E
N
E
S
Buddy explains!

The straight part
We know that "fruits" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fruits = achenes.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 ACHENES mean?
ACHENES noun- A small, dry, indehiscent fruit, containing a single seed, as in the buttercup.