This perennil grows each year from a massive taprot.
Some say that the taproot of this plant is edible, others say it taste terrible and that it was very bitter.
However, in Chinese culture, a person is viewed positively if
they are able to eat more bitter food.
The idea being that if you can take bitter food,
you can take bitter experinces in life.
A quote by the Taoist (and Chinese Medical) Master Lily Siou,
"They who can taste the bitterest of bitters are the true humans among the people".