A member of the family, Hydrocharitaceae, the Vallisneria, a Florida native, is hardy and are similar to the Arrowhead, genus Sagittaria.
The plant has long spiraling, as in corkscrew, stalks of female or male blooms on separate stalks, and usually will grow from 12 inches to 72 inches depending on the variety.
Also known as eelgrass or tape grass, the plants will not survive in cold climates.
The leaves of the largest plant, known as gigantea Graebner, are red and seven veined but as light increases will turn green.
This plant can grow to over 6 feet in warmer climates.
Leaves of the V.spiralis are ribbon- like, growing 16-24 inches tall and V.neotropicalis, Maria Victoria is colored green to red, grows to five feet in length with 4 veins in its leaves.
If you plant this plant, be aware that it spreads by runners and can grow into a tall underwater meadow.
The flower is a single white growing on a very long stalk.
This plant is considered invasive in Florida.
You can grow the plants in pots in the pond as long as they are submerged helping to control the spread of the plant.