Arowhead's Arrowheads







This papery thin and fragile white flower belongs to Sagittaria latifolia (Broadleaf Arrowhead). 







These plants are sometimes referred to as Duck Potato, since ducks love to feed on the edible tubers.






This little colony of Sagittaria latifolia is growing on a very small island, in a submersed area in its center.
The common name of Broad-leaved Arrowhead seems fitting:

Compare it to this Arrowhead leaf: