Potamogeton cristatus
Family: Potamogetonaceae
What it is like
A pond-weed that grows under water. It can grow for one or several years. The stems are thin. The leaves are of 2 forms. The leaves under water do not have leaf stalks and are narrow and 3-7 cm long by 1 mm wide. The floating leaves are alternate and have a leaf stalk. They are oval and 2-3 cm long by 3-11 mm wide.
There are about 100 Potamogeton species.
Where it is found
It is a temperate plant. It grows in ponds and paddy fields.
Countries/locations it is found in
Asia, China, Japan, Korea, Manchuria, Russia, Taiwan
How it is used for food
The leaves and stems are cooked and eaten.
Edible parts
Leaves, stem
How it is grown
Plants are usually grown by root division.