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Nymphaea tuberosa - Paine.
                 
Common Name Tuberous Water Lily, American white waterlily
Family Nymphaeaceae
USDA hardiness 3-7
Known Hazards None known
Habitats Mainly alkaline ponds, lakes and sluggish streams and rivers, usually in very oozy sediments at elevations of 100 - 400 metres[270].
Range Eastern N. America - Ontario and Quebec south to Kansas and Oklahoma.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Water Plants Full sun

Summary

Nymphaea tuberosa Tuberous Water Lily, American white waterlily


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Nymphaea tuberosa Tuberous Water Lily, American white waterlily
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2
   
Physical Characteristics
 
Nymphaea tuberosa is a PERENNIAL.
It is hardy to zone (UK) 3. It is in flower from Jul to September, and the seeds ripen from Aug to October. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Flies, beetles, self.The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It can grow in water.

Synonyms

Habitats
 Pond;
Edible Uses
Edible Parts: Root;  Seed.
Edible Uses:

Seed - cooked[159, 177]. The seed can be ground into a powder and used as a flour or fried and used like popcorn[183]. The root is rich in starch, oil and protein[183]. The bitter tasting tuber is occasionally eaten[105, 159, 177, 183]. The bitterness can be reduced somewhat by leaching the root in water.
Medicinal Uses


Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Alterative;  Anodyne;  Antiseptic;  Astringent;  Demulcent.

The following notes are the medicinal uses of N. odorata. It is said that this species can be used interchangeably[238]. The root is alterative, anodyne, antiseptic, astringent and demulcent[4, 21, 165, 238]. A tea made from the roots is used in the treatment of TB, chronic bronchial complaints, diarrhoea, dysentery, gastrointestinal inflammation, gonorrhoea, vaginal discharge, inflamed glands, mouth sores and to stop bleeding[222, 238]. A poultice made from the roots is used in the treatment of swellings, boils, tumours, inflamed skin, vaginitis etc[222, 238]. The roots are harvested in the autumn once the plant has died down, and are dried for later use[238]. A complete cure of uterine cancer by a decoction and uterine injection has been recorded[4].
Other Uses
None known
Cultivation details
A water plant requiring a rich soil and a sunny position in still or slowly moving water[56, 200]. Succeeds in water from 30 - 120cm deep[200]. Prefers a pH between 6 and 7[200]. There are two basic types of plant in this genus (this species is a crawler):- 'crawlers' are species with horizontal roots that often spread freely, with new plants being formed at intervals along the root. These species are useful for naturalising, but they do not flower very freely in the cool summers of Britain[214]. 'clumpers' have vertical roots, they form slowly spreading clumps and produce offsets around the crown. These forms flower much more freely in Britain[214]. The flowers have a fruity perfume like that of ripe apples[245]. The variety rosea is more strongly fragrant[245].
Propagation
Seed - sow as soon as it is ripe in a greenhouse in pots submerged under 25mm of water. Prick out into individual pots as soon as the first true leaf appears and grow them on in water in a greenhouse for at least two years before planting them out in late spring. The seed is collected by wrapping the developing seed head in a muslin bag to avoid the seed being lost. Harvest it 10 days after it sinks below the soil surface or as soon as it reappears[200]. Division in May. Each portion must have at least one eye. Submerge in pots in shallow water until established[56].

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Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Euryale feroxFoxnut, Euryale32
Nuphar advenaCommon Spatterdock, Yellow pond-lily, Varigated yellow pond-lily32
Nuphar japonicum 31
Nuphar luteaYellow Water Lily, Yellow pond-lily, Rocky Mountain pond-lily, Varigated yellow pond-lily32
Nuphar polysepalaSpatterdock, Rocky Mountain pond-lily31
Nuphar pumilaYellow pond-lily31
Nymphaea albaWhite Water Lily, European white waterlily32
Nymphaea candida 22
Nymphaea odorataFragrant Water Lily, American white waterlily33
Nymphaea tetragonaPygmy Water Lily20
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Subject : Nymphaea tuberosa  

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