What does the cryptic crossword clue "Starchy tuber a girl served up (3)" mean?

The definition is "Starchy tuber". The wordplay uses a reversal. MAY (reversal="MAY") = YAM; definition: "Starchy tuber" The answer is YAM.

Starchy tuber a girl served up (3)

Times Cryptic #28897 | 25 Down | 2024-04-22 flower