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American white waterlily

Nymphaea odorata

Also called Fragrant Water Lily, American Water Lily, American White Water Lily, Fragrant White Water Lily, American Waterlily, Fragrant Waterlily, Pond Lily

American white waterlily
Photo: Famartin, CC BY-SA 4.0

Nymphaea odorata is a rhizomatous aquatic plant native to North America, grown in shallow ponds and slow waters. It needs full sun and still water to bloom well, and its fragrant white flowers open by day and close at night.

Family
Nymphaeaceae (Water-lily family)
Grows as
Aquatic
Light
Full sun
Water
Grows submerged in water, with roots in mud or pond soil and leaves floating on the surface.
Soil
Heavy, nutrient-rich pond mud or aquatic planting soil, kept under a few centimetres of water.
Temperature
Hardy in temperate climates; tolerates freezing when the rhizome sits below the ice line.
How easy
Easy
Safety
Mildly toxic: Contains lignans and flavonols; the rhizome and other parts are not clearly documented as harmful to people, so caution is advised with raw plant material.
Native range
C. & E. Canada to Niacaragua, Bahamas, Cuba
Climate
temperate

About

Nymphaea odorata, also known as the American white waterlily, fragrant water-lily, beaver root, fragrant white water lily, white water lily, sweet-scented white water lily, and sweet-scented water lily, is an aquatic plant belonging to the genus Nymphaea. It can commonly be found in shallow lakes, ponds, and permanent slow moving waters throughout North America where it ranges from Central America to northern Canada. It is also reported from Brazil and Guyana.

Safety

The lignans nymphaeoside A and icariside E, and the flavonols kaempferol 3-O-alpha-l-rhamnopyranoside (afzelin), quercetin 3-O-alpha-l-rhamnopyranoside (quercitrin), myricetin 3-O-alpha-l-rhamnopyranoside (myricitrin), quercetin 3-O-(6'-O-acetyl)-beta-d-galactopyranoside, myricetin 3-O-beta-d-galactopyranoside and myricetin 3-O-(6'-O-acetyl)-beta-d-galactopyranoside can be found in N. odorata.

Uses

The fragrant water-lily has both medical and edible parts. The seeds, flowers and rhizomes can all be eaten raw or cooked. The root can be boiled to produce a liquid which can be gargled to treat sore throats or drunk to treat diarrhea. The rhizomes were also used by Native Americans to treat coughs and colds. The stem can be placed directly on teeth to treat a toothache.

Other Nymphaea plants

White Water-lily · Dotleaf waterlily · Nymphaea nouchali var. zanzibariensis · Giant waterlily · Yellow waterlily · Egyptian lotus · Blue Lotus · Hairy Water Lily · Pygmy Rwandan waterlily · Waterlily

Text excerpted from the Wikipedia article Nymphaea odorata by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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