Since the 19th century it has been specifically bred to hunt
the underground tuber known as the truffle.
First, it's not actually a nut - it's the small,
underground tuber of the Cyperus esculentus plant, traditionally cultivated in ancient Egypt.
When the arrowroot is harvested, it looks similar to other
underground tubers such as cassava, yucca or kudzu, which are oblong in shape.
Sweet potatoes are
underground tubers that are usually orange, although varieties in other colors (such as purple) exist.
Bugs sometimes eat the leaves of sweet potatoes, but because that hardly affects the quality of
the underground tubers which people actually eat, farmers generally don't believe it's worth protecting the leaves with pesticides.
Not exact matches
But they are stripy in a tiger - print kind of way, and they grow
underground, which makes them the most glamorous
tuber in our book.
We should point out immediately that technically, ginger is not a root but rather a rhizome, an
underground stem that looks like a
tuber — or a thick root.
These
tubers grow
underground and are related to sunflowers, as the stalk produces a bunch of bright, yellow flowers halfway through the plant's growing season.
These
tubers grow
underground and are related to sunflowers, as the stalk produces a bunch of bright, yellow flowers halfway through the plant's growing season.
Their purpose is to encourage rapid healing when the living sweet potato
tuber is injured, possibly by
underground worms.