What does the cryptic crossword clue "Fantastic plot in U.S. typical of an undeveloped landscape? (8)" mean?

The wordplay uses an anagram. anagram of PLOT + IN + U.S. = UNSPOILT The answer is UNSPOILT.

Fantastic plot in U.S. typical of an undeveloped landscape? (8)

Daily Mail Cryptic #17432 | 22 Across | 2024-08-27 flower