Corydalis ambigua
Family: Papaveraceae
What it is like
A herb that develops tubers.
There are about 320 Corydalis species. They are mostly north temperate. The tuber contains many alkaloids.
Where it is found
It is a temperate plant.
Countries/locations it is found in
Asia, China, Japan, Korea
How it is used for food
The tuber needs to be properly prepared to remove alkaloids. It is soaked in water for 2 days and then pounded to remove the starch. The leaves have a sweet taste when sucked.
It is an important food amongst the Ainu in Japan.
Edible parts
Root, tuber, caution, leaves
How it is grown
Its other names
Local names
Itopenra, Toma, Tomara