Sagittaria trifolia
Sagittaria trifolia, the threeleaf arrowhead or Chinese arrowhead, is a plant species widespread across the wet areas in Europe and in much of Asia. Origin. It 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. Usage. "Sagittaria trifolia" has underground tubers and is cultivated as a food crop in parts of Asia. The tubers are high in starch and highly nutritious.