Biological Category
Plants
Species Type
Aquatic Invasives
LHPrism Status
Tier 2 - Emerging
Key Characteristics
Flower
Cup-like flowers grow above the water and are visible from May- September. The flower is less than 2 cm across and ranges in color from white to pale yellow. The flower emerges on stalks from the tips of the stems.
Leaf
Individual leaves have thin vein-like structures in a half-moon shape. Underwater leaves are divided into fine branches, resulting in a feathery fan-like appearance. Leaves are about 5 cm across. There are also a few small, floating, linear-elliptic leaves with entire margins and a basal notch. They are 6-20 mm long.
Size
Fanwort is a submerged aquatic perennial plant and can grow 7 ft or higher.
Vertical Tabs
Impacts of this species
Fanwort can form dense populations that interfere with recreation and clog drainage systems. It can grow from plant fragments, making it easier to spread.
