a bulb
Onion is an underground modified stem.
Carrot, Sugarcane, Turnip & Onion all these are underground stem.
Onion is a modified stem because it is a stem which grows underground
Onions are alliums and they are bulbs that grow underground.
no.onion is underground stem .
Yes, it reproduces from underground stem.
The rounded stem of Onion is called Bulb. It is the modification of stem which becomes disc like and have plenty of fleshy scales.
A onion is a modified stem
Rhizome
The carrot, radish, onion and sugar beet have stems that are above ground and the roots and edible tuber/bulb is underground. The stem is green and the carrot is orange; the beet is red, the onion is white/red; the radish is red/white.
A carrot is the root, just like a potato or onion.
Leek is Allium porrum a member of the onion family used for it's underground white stem.