Trapa japonica

Physical Characteristics

Trapa japonica is a ANNUAL. The species is hermaphrodite (has both male and female organs). Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid and neutral soils. It cannot grow in the shade. It can grow in water.

Distribution

Europe to E. Asia.

Habitats

Pond;

Edible Uses

Edible Parts: Seed Edible Uses: Seed - raw or cooked[105]. Some caution is advised, see the notes above on toxicity.

Medicinal Uses

None known

Known Hazards

We have no specific information for this species, but the raw seed of several members of this genus contains toxins. However, these are destroyed in the cooking process[200, 206].