What does the cryptic crossword clue "Stark rocks in limestone scenery (5)" mean?

The definition is "limestone scenery". The wordplay uses an anagram. anagram of STARK = KARST; definition: "limestone scenery" The answer is KARST.

Stark rocks in limestone scenery (5)

Independent Cryptic #11643 | 27 Across | 2024-02-03 flower