Etymology
The word "corm" derives from the Greek word "kormos," meaning "stump" or "log."
Meaning
A corm is a specialized, underground stem structure that stores nutrients and serves as a means of asexual reproduction in certain plants. It is a swollen, bulb-like structure that contains the growing point and food reserves. Corms are typically spherical or oval in shape and have a brown or tan outer covering.
Origin
Corms evolved as a survival strategy for plants that grow in dry or cold environments. By storing food and water in a thick, protective stem, the plant can withstand harsh conditions and produce new shoots and roots when conditions improve. Corms also allow plants to spread vegetatively, as they can produce new plants if they are separated from the parent corm.
Examples
Some common examples of plants that have corms include:
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