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Common Name: Ling
Trapa bicornis is a Perennial
It is harvested from the wild for local use as a food and medicine
The raw seed contains toxins but that these are destroyed in the cooking process[
E. Asia - China.
Swamps and ponds[
An aquatic plant, floating by means of inflated petioles, it succeeds in still or slowly-flowing water requiring a position in full sun and a slightly acidic water with a rich planting medium[
Plants require a high summer temperature in order to perform well, they are not frost hardy[
A variable plant, it is divided into a number of subspecies[
Some botanists regard this species as no more than a part of the one highly polymorphic species T. natans[
This species was used for food in Neolithic Britain[
Seed - cooked. A crunchy texture with a bland flavour[
]. Rich in starch, the raw seed contains a deleterious principle that is destroyed by cooking[
]. The cooked seed can be dried and ground into a powder[
The flowers are astringent in fluxes[
The fruit is used in the treatment of fever and sunstroke[
The plant is anticancer, antipyretic and tonic[
Seed - harvest in late summer and store overwinter in a jar of water in a cold but frost-free place. The seed quickly loses its vitality if it is allowed to become dry. Sow in spring, placing one seed in each pot and submerging them under a few centimetres of water.