Broadleaf Arrowhead, also known as Wapato (Sagittaria Latifolia) is a perennial aquatic to semi-aquatic in the Water-plantain Family (Alismataceae). It’s native to the United States, southern Canada, Mexico and northern South America. It blooms Jul-Sep and grows 1-2 ft. It’s commonly found in wetlands, swamps and ponds. It survives in standing water and wet soils in full sun exposure.
Broadleaf Arrowhead has long roots and tubers that can grow half a meter deep and many meters in length, rhizomes and starchy tubers are edible. It has been naturalized in many parts of the world and it’s used frequently in artificial ponds.