It is a stem.
Onion is an underground stem called a bulb. It grows horizontally below the surface of the soil, from which roots grow downward and shoots emerge above ground.
Carrot, Sugarcane, Turnip & Onion all these are underground stem.
Rhizome
A subterranean stem is another word for an underground stem. They exist under the soil surface. There are many types of subterranean stems such as bulbs, corm, and stolon.
The underground stem of a fern is called a rhizome. It grows horizontally underground and produces roots below the soil and fronds above ground. Rhizomes allow ferns to spread and colonize new areas.
The tuber family is actually a part of the plant family. The characteristics of the tuber family is that they were grown underground & it has swollen underground stem. Potatoes, yam & sweet potatoes etc. are from the tuber family because they were grown underground & it has swollen underground stem.
yam is propagated by tubers
No but its mostly a stem. The Yam plant has leaves and roots but the food is the stem of the plant. If you are talking about the food, yes but if you are talking about the plant, no.
Root.
root
TurnipTurnip is a bulbA bulb is an underground stem
underground root
Onion is an underground stem called a bulb. It grows horizontally below the surface of the soil, from which roots grow downward and shoots emerge above ground.
Yes yam can easly be reproduced by suckers. These plants have underground rhizomes and frequently develop suckers for vegetative reproduction.
Carrot, Sugarcane, Turnip & Onion all these are underground stem.
stem don't grow a stem is a tree never will grow agin
Onion is a modified stem because it is a stem which grows underground