Sepals

Definition

Sepals are the leaf-like structures that form the outermost part of a flower. They protect the developing bud before it opens and often support the petals when in bloom.

5 Must Know Facts For Your Next Test

1. Sepals collectively form the calyx, which is typically green.
2. They are usually located beneath the petals of a flower.
3. Sepals can sometimes be fused together or free-standing.
4. In some plants, sepals may be colorful and petal-like, known as petaloid sepals.
5. The primary function of sepals is to protect the developing flower bud from damage and dehydration.

Review Questions

• What is the primary function of sepals in a flowering plant?
• How do sepals differ from petals in terms of their typical appearance?
• What term describes sepals that resemble petals in color and shape?

Related terms

Petals:

The parts of a flower that are often brightly colored to attract pollinators.

Calyx: The collective term for all the sepals of a flower.

Corolla: The collective term for all the petals of a flower.