Japanese Trapa (Trapa japonica)

Family: Trapaceae | Edibility: Edible (1/5)

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.

Edible Parts & Harvest Seasons

Edible Parts: Nuts/Seeds

Harvest Seasons: Fall, Late Summer

Flavor & Culinary Uses

Seed - raw or cooked. Some caution is advised, see the notes above on toxicity. — Seed - raw or cooked.; Some caution is advised, see the notes above on toxicity.

Habitat & North American Range

Lakes and ponds all over Japan. (Zone 4, Zone 5, Zone 6, Zone 7, Zone 8)