Aecium
Aecium
Aecium (pronunciation: /ˈiːsiəm/) is a term used in mycology, the scientific study of fungi. It refers to a type of fruiting body, or sporangium, produced by certain types of rust fungi.
Etymology
The term 'aecium' is derived from the Greek word 'aikia', meaning 'injury' or 'damage'. This is likely a reference to the damage that rust fungi can cause to their host plants.
Description
An aecium is a cup-shaped structure that forms on the underside of a leaf or stem infected by a rust fungus. Inside the aecium, the fungus produces aeciospores, which are a type of spore that can spread to other plants and cause new infections.
The aecium is one stage in the complex life cycle of rust fungi, which also includes other types of fruiting bodies such as uredinium, telium, and basidium. Each of these structures produces a different type of spore, and the fungus requires two different host plants to complete its life cycle.
Related Terms
- Aeciospore: A type of spore produced in the aecium of a rust fungus.
- Uredinium: Another type of fruiting body produced by rust fungi.
- Telium: A fruiting body that produces teliospores, the spores that give rust fungi their characteristic color.
- Basidium: The final stage in the life cycle of a rust fungus, where sexual reproduction occurs.
External links
- Medical encyclopedia article on Aecium
- Wikipedia's article - Aecium
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