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Plant Form: Aquatic perennial herb.
Size: Rooted in water 1-3 m deep.
Stem: Branched with white or reddish-brown hairs.
Leaves: Kidney-shaped, in opposite pairs on stem, deeply divided giving feathery fan-like appearance. Secrete mucus that covers plant.
Flowers: Solitary 2 cm wide, white to yellow with yellow centre, usually only part of plant not submerged.
Habitat: Slow moving waterways like dams, ponds and irrigation channels.
Distinguishing Features: Easily confused with other aquatic species, best to consult an expert.