Thrumwort, Star fruit
Damasonium alisma
Family: Alismataceae
What it is like
A herb which grows in water. The leaves have long stalks. The leaf blades are oval or sword shaped and 10 cm long. The flowers are in rings. They are white or pink with a yellow spot at the base of each petal. The fruit forms a star shape.
There are 5 Damasonium species. They are temperate and grow in water.
Where it is found
It grows at the edge of shallow water. It needs to be less than 15 cm deep.
Countries/locations it is found in
Britain, Europe
How it is used for food
Edible parts
Root