Answer:
Ovary with carpel and stamens in pistil → corolla → calyx → receptacle→ peduncle.
Explanation:
In shoe flower or hibiscus flower, the innermost part is pistil in which ovary present at the base of the pistil where male reproductive part stamens are present at the stalk.
Pistils are covered with the sepals or corolla, inside of calyx and receptacle at above of peduncle.
Thus, the correct order is Ovary with carpel and stamens in pistil → corolla → calyx → receptacle→ peduncle.