Ovulate cones

Definition

Ovulate cones are the female reproductive structures in gymnosperms that produce and house ovules. When fertilized, these ovules develop into seeds.

5 Must Know Facts For Your Next Test

1. Ovulate cones are typically larger than pollen cones.
2. They consist of scales, each bearing two ovules on its upper surface.
3. Pollination occurs when pollen grains land on the ovules within the cone.
4. Fertilization can take up to a year after pollination in many gymnosperms.
5. Once fertilized, the ovules develop into seeds that are released when the cone matures and opens.

Review Questions

• What is the primary function of ovulate cones?
• How do ovulate cones differ from pollen cones in size and function?
• What happens to the ovules within an ovulate cone after they are fertilized?

Related terms

Gymnosperms: Seed-producing plants that do not form flowers or fruit.

Pollen Cones: The male reproductive structures in gymnosperms that produce pollen.

Ovule: The structure within the ovulate cone that develops into a seed when fertilized.