The most common and most likely answer to this crossword clue is the 5 letter word FURZE
I've seen this crossword clue in The Daily Telegraph
F
U
R
Z
E
More clues leading to the result FURZE
Buddy explains!
The straight part
We know that "gorse" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case gorse = furze.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 FURZE mean?
FURZE noun- A thorny evergreen shrub, with yellow flowers, Ulex gen. et spp., of which Ulex europaeus is particularly common upon the plains and hills of Great Britain and Ireland.