Myriophyllum aquaticum
parrot feather watermilfoil, parrot feather, brazilian watermilfoil, parrot's-feather
Family
Haloragaceae
Leaf Arrangement
whorled
Leaf Attachment
petiolate
Leaf Type
dissected
Growth Form
forb, emergent aquatic, floating aquatic, submerged aquatic, aquatic
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
introduced
Lifespan
perennial
Field Characters
Stem emergent with bluish green feathery leaves in whorls of 4-6. M. spicatum has reddish brown with leaves in whorls of 3-6.
Cultural Information
Only dioecious female plants in the US.
Habitat
Often cultivated in aquariums and has escaped. In non-tidal, freshwater, slow-moving water bodies including tributaries, ponds, lakes and canals. It prefers good light, slightly alkaline and high-nutrient environments.
Plant Uses
Common in the aquarium trade.