Sagittaria lancifolia

Arrowhead is a shallow aquatic weed with leaves that are shaped like an arrow. (They also resemble a wishbone.) Leaves are above the water most of the time, but can sometimes be submersed or floating. Arrowhead has distinct veins that can be seen on leaves that arise from a common point. The flowers and fruit are produced on leafless stems. These may reach 1.5-3 feet tall. Flowers have three sepals and three white petals. The petals are 8-14 mm long. The root system resembles a bulb.

Also known as: Lance-leaved arrowhead; broadleaf arrowhead; duck potato