Strobilus

Definition

Strobilus is a structure present in some plants that produces spores. It often appears as a cone and is significant in the reproductive cycle of gymnosperms.

5 Must Know Facts For Your Next Test

1. Strobili are found in both gymnosperms and some seedless vascular plants.
2. In gymnosperms, strobili can be either male or female, producing pollen and ovules respectively.
3. The structure of strobili is adapted for effective spore dispersal, often through wind.
4. Strobili are composed of sporophylls, which are specialized leaves that bear sporangia.
5. The term 'strobilus' can refer to both cones in conifers and similar structures in other plant groups.

Review Questions

• What types of spores do male and female strobili produce in gymnosperms?
• How are strobili adapted for spore dispersal?
• What are sporophylls and what role do they play in the structure of strobili?

Related terms

Sporangia: Sporangia are structures where spores are produced, found on sporophylls within strobili.

Gymnosperm: Gymnosperms are a group of seed-producing plants that include conifers, cycads, ginkgo, and gnetophytes.

Sporophyll: Sporophylls are specialized leaves that bear sporangia and form part of the structure of strobili.