Step 1: Understanding unisexual and bisexual flowers.
A unisexual flower contains either stamens (male reproductive parts) or pistils (female reproductive parts), but not both.
Step 2: Examples.
- Papaya and watermelon produce unisexual flowers.
- Hibiscus, mustard, and rose are bisexual as they contain both stamens and pistils.
Step 3: Conclusion.
Hence, Papaya is an example of a unisexual flower.