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.
no
little
There structures that help to grow new plants, like potatoes and ginger.
Daylilies, potatoes, sweet potatoes, radishes, turnips, and carrots have tuberous roots.
There are several including potatoes, carrots, turnips, peanuts, rudabakers, horse radish, ginger, and many more that I do not know about.
There are a wide variety of root vegetables. Some of these include carrots, yams, ginger, potatoes, yucca, as well as sweet potatoes.
Ginger is the name of the entire plant. The bulbous parts you see in shops are actually called 'Rhizomes', however most places call them 'ginger root' to avoid confusion(the actual roots grow out of the Rhizomes, and they are rarely used in food). The leaves can be used to flavour food, and the flowers are also edible.
It is a root, so it would be harvested similar to the way potatoes are.
Try cinnamon or curry powder. Both are delicious.
mash potatoes
It releives from sore throat,cough and cold
Ginger can be very helpful for cold symptoms and sore throat pain. If your throat feels worse, try mixing the ginger root with lemon and honey and stirring some into a cup of tea.