Question

Is bulbil modification of underground stem or aerial stem?

Answer 1

Answer:

The stem modification that has enlarged fleshy leaves emerging from the stem or surrounding the base of the stem is called a bulb; it is also used to store food. Aerial modifications of stems include tendrils, thorns, bulbils, and cladodes.

Answer 2

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Aerial stem modifications

Bulbil is a modification of the whole bud into a swollen multicellular structure which serves for the propagation. When the bulbil gets detached from the parent plant and fall on the ground it grows into a new plant. In Dioscorea bulbifera bulbils are modified axillary buds, whereas in Globba bulbifera, Agave americana, the flower buds get modified into bubil.