Identify and draw the sepals, petals, stamens (anthers and filaments) and carpels (stigmas, styles, ovaries and ovules) of an insect-pollinated flower

Sourav PanNovember 3, 2024

Answered

To identify and illustrate the key structures of an insect-pollinated flower, we will focus on the following components: sepals, petals, stamens (including anthers and filaments), and carpels (including stigmas, styles, ovaries, and ovules). Below is a description of each part along with a simple diagram.

Flower Structure

1. Sepals: These are the outermost parts of the flower that protect the bud before it opens. They are usually green and leaf-like.
2. Petals: Often brightly colored and fragrant, petals attract pollinators such as insects. They form the corolla of the flower.
3. Stamens: The male reproductive parts of the flower. Each stamen consists of:
   • Anther: The part that produces pollen (the male gametes).
   • Filament: A stalk that supports the anther.
4. Carpels: The female reproductive parts of the flower. Each carpel consists of:
   • Stigma: The sticky top part where pollen grains adhere.
   • Style: A slender stalk that connects the stigma to the ovary.
   • Ovary: The swollen base that contains ovules (the female gametes).
   • Ovules: Structures within the ovary that develop into seeds after fertilization.

Summary of Functions

• Sepals protect the flower before it blooms.
• Petals attract pollinators with their color and scent.
• Stamens produce pollen for fertilization.
• Carpels receive pollen and house ovules for seed development.