What is the Difference Between Apothecium and Perithecium?

🆚 Go to Comparative Table 🆚

Apothecium and perithecium are two types of fruiting bodies in fungi that contain spores for reproduction purposes. The main differences between them are:

  1. Shape: Apothecium is a cup or disc-shaped fruiting body, while perithecium is a rounded or flask-shaped fruiting body.
  2. Hymenium Layer: In apothecium, the hymenium layer (where asci form) is exposed on the upper surface, allowing for the release of many spores simultaneously. In perithecium, the hymenium layer is encased, and there is an apical opening called an ostiole, which is often microscopic.
  3. Size: Apothecia are generally larger in size, while perithecia are often microscopic.

Both apothecia and perithecia are derived from vegetative filaments known as hyphae after sexual reproduction in the phylum Ascomycota, and they contain ascospores. They play crucial roles in fungal reproduction and multiplication.

Comparative Table: Apothecium vs Perithecium

Here is a table comparing the differences between apothecia and perithecia:

Feature Apothecium Perithecium
Shape Cup-shaped or disc-shaped Rounded or flask-shaped
Size Large Microscopic
Hymenium Fully exposed, forming a layer on the upper surface Forms a hymenium layer on the upper surface
Asci Exposure Freely exposed at maturity, allowing many spores to disperse simultaneously Asci are found in parallel structure on the floor and the basal sides of the flask
Spore Dispersion Many spores can disperse simultaneously due to freely exposed asci Spores are released through an opening called an ostiole

Both apothecia and perithecia are fruiting structures in fungi of the phylum Ascomycota, and they contain ascospores. They play a role in fungal reproduction and multiplication.