yes
a tuber
The iris rhizome is a tuber. It is where the iris stores energy to create the leaves and flower.
A carrot is the root, just like a potato or onion.
Bulb, Corm, Rhizome, Stolon, Tuber.
Gastrodia is a preparation made from the rhizome or tuber of an orchid, Gastrodia elata.
Perhaps you are searching for "sprout", "radix", "rhizome", or "tuber".
No, a carrot is not a tuber. It is a root vegetable, specifically a taproot, which means it grows underground from the primary root of the plant. Tuber is a type of modified plant stem, such as potatoes.
why are underground stems usually swollen? why are underground stems usually swollen?
A rhizome stores its food reserve in the form of starch in specialized storage cells called parenchyma cells located in the enlarged underground stem structure.
In rhizomes - i.e the 'root ginger' part of the ginger plant, and the 'potato' part of the potato plant. Howeve the potato is a tuber, not a rhizome.
Below. What you eat is the root tuber of the plant, exactly like a carrot and similar to a potato.
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.