What is the difference between aerial and underground stem?

Aerial stem:

A stem with erect and vertical growth, above the ground, to perform the functions such as climbing, food storage, vegetative propagation, and protection is known as the aerial stem.

Some of the important modifications of the aerial stem are stem tendrils, thorns, cladodes, phylloclades, bulbils, etc.

Underground stem:

Some stems beneath the ground are modified to store the food or to survive under unfavourable conditions. These stems are underground stems.

Some of the important examples of modifications of the underground stem are rhizome, bulb and tuber.

Ginger is the example of rhizome; Onion and garlic are the example of bulb; while the potato is an example of the tuber.

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Updated on: 20-Mar-2023

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