Sagittaria trifolia is a wetland aquatic or emergent perennial in the Alismataceae family, grown for its starchy underground tubers in parts of Asia. It needs wet or flooded conditions to thrive.
Family
Alismataceae (Alismat family)
Grows as
Aquatic
Light
Full sun
Water
Keep the roots constantly submerged in shallow water or saturated mud.
Soil
Heavy, fertile wet mud or clay loam at the bottom of a pond or container.
Temperature
Hardy to cold winters when roots are below ice; grows best in warm summers around 20-30 °C.
How easy
Easy
Safety
Not known to be toxic
Edible
Yes, some parts
Native range
S. European Russia to Japan and Malesia
Climate
temperate
About
Sagittaria trifolia, the threeleaf arrowhead or Chinese arrowhead, is a plant species widespread across the wet areas in Europe and in much of Asia.
Where it grows
S. trifolia is native to Ukraine, European Russia, Siberia, the Russian Far East, Central Asia, China, India, Iran, Iraq, Japan, Korea, Pakistan, Indonesia, the Philippines, and many smaller countries in between. It is also naturalized in the Fiji, Cook, and Society Islands in the Pacific.
Uses
It has underground tubers and is cultivated as a food crop in parts of Asia. The tubers are high in starch and highly nutritious. One of these cultivars is used as kuwai in Japan.
Text excerpted from the Wikipedia article Sagittaria trifolia by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.