Water chestnut
Eleocharis dulcis
Sedge cultivated in flooded paddies for its crisp, sweet edible corm.
Family
Cyperaceae
Temperature
23-29°C (absolute 15-34°C)
Rainfall
1600-2000mm (absolute 1300-4000mm)
Altitude
1200m
Soil pH
6.9-7.3 (absolute 6.5-7.6)
Soil types
Heavy waterlogged clay or paddy soils.