What does the cryptic crossword clue "Not a threat to health, good in part of Africa (6)" mean?

The wordplay uses a hidden word. G (synonym="good") in BENIN (synonym="part of Africa") = BENIGN The answer is BENIGN.

Not a threat to health, good in part of Africa (6)

Guardian Cryptic #29347 | 25 Across | 2024-04-03 flower