American White Waterlily Nymphaea odorata

The use of white water lily (Nymphaea odorata) for medicinal purposes originates from Native American traditional medicine.
Several other species from the Nymphaea and Nuphar (another water lily genus) genera have been used in traditional Chinese medicine, Ayurveda, and homeopathic practices.
The dried root and rhizome of the white water lily have been taken by mouth to treat gastrointestinal, genital, and bronchial conditions. The leaves and roots have also been used externally, as infusions to treat lesions and inflammation associated with mucous membranes, and as poultices to treat a variety of dermatological conditions.
Some of the medicinal properties of white water lily may be attributed to its reported antibiotic and astringent properties, which may be the result of tannic and gallic acids found in the plant tissue.