its a bulb
An onion, strictly speaking, is a 'bulb' and is a stem.
its a bulb
a bulb
Stem (bulb)
The word is bulb.
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.
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.
Oh, dude, that thing you're talking about is called a "bulb." It's like the round base of an onion where all the layers hang out. So, yeah, next time you're chopping onions, just remember you're slicing through those bulb buddies.
Carrot, Sugarcane, Turnip & Onion all these are underground stem.
When preparing a dish, you typically eat the white bulb and the green stalk of the green onion.
The onion is completely edible. The skin, though papery and edible is usually removed as is the small root at the bottom of the bulb. these two parts are less palatable and usually discarded. The bulb and leaves (green onion) are used in a large variety of ways.
A onion is a modified stem