It's technically a stem but grows underground and can give rise to all the other needed plant parts. It's even referred to as a rootstem at times.
a mushroom is a stem
Mushroom is neither stem nor root. It is a fructification of a fungus mycelium.
A mushroom has no chlorophyll, no true stem, or roots.
stem
The top of a mushroom is called the Cap.I think it is the cap, or the dome.cap
It is the stem or stalk that supports the mushroom's cap.
A root. There are turnips and turnip greens the greens is the stem.
The stem
Carrot is a root vegetable.
Its a stem.
stem
stem
root
draw a stem and then draw the top.