Mustard
Explanation
In angiosperms, flowers can be classified based on the presence of reproductive organs:
- Bisexual (Hermaphrodite) flowers: Contain both the androecium (male reproductive part/stamens) and gynoecium (female reproductive part/carpels) within the same flower.
- Unisexual flowers: Contain either only stamens (staminate) or only carpels (pistillate). Plants bearing unisexual flowers can be monoecious (both male and female flowers on the same plant) or dioecious (male and female flowers on separate plants).
Option Analysis
- Corn (Maize): Incorrect. Corn is a monoecious plant. It produces unisexual flowers. The male flowers (tassels) are located at the apex, while the female flowers (ears/silks) are located lower on the stalk.
- Papaya: Incorrect. Papaya is typically a dioecious plant. It produces unisexual flowers, where male and female flowers are usually found on separate individual plants.
- Cucumber: Incorrect. Cucumber is a monoecious plant belonging to the family Cucurbitaceae. It produces separate male and female (unisexual) flowers on the same plant.
- Mustard: Correct. Mustard belongs to the family Brassicaceae. Its flowers are bisexual, meaning each individual flower contains both stamens and a pistil.
Key Takeaway: Mustard, Hibiscus, and Pea are examples of plants with bisexual flowers. Corn and Cucumber are monoecious (unisexual flowers on the same plant), while Papaya and Date Palm are dioecious (unisexual flowers on different plants).