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This genus is accepted, and its native range is Cosmopolitan.

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Aquatic herbs; stems long, petiole-like
Morphology Leaves
Leaves floating, shortly petiolate, cordate at the base
Morphology Reproductive morphology Inflorescences
Flowers bisexual (in Somalia), solitary or clustered at the nodes, subtended by a small bract, 5(–8)-merous
Morphology Reproductive morphology Flowers Corolla
Corolla white or yellow, with variously fimbriate lobes; tube with tufts of hairs ± halfway up
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5(–8), inserted at or below the throat of the corolla
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary with 5 basal glands
Morphology Reproductive morphology Fruits
Capsule irregularly dehiscent or indehiscent
Morphology Reproductive morphology Seeds
Seeds globose to oval, flattened or convex, smooth to tuberculate.
Distribution
Cosmopolitan genus of over 50 species.

[FZ]

Menyanthaceae, Barbara Mackinder. Flora Zambesiaca 7:4. 1990

Morphology General Habit
Aquatic herbs, annual or perennial.
Morphology Leaves
Leaves simple, circular to ovate, with a sinus at the base, in a rosette on the stock, or alternate along floating stolons.
Morphology Reproductive morphology Flowers
Flowers clustered at the nodes, pedicellate, subtended by a small bract, 5(8)-merous, sometimes heterostylous, elsewhere sometimes unisexual.
Morphology Reproductive morphology Fruits
Capsule developing under water, splitting into valves from base or apex.
Morphology Reproductive morphology Seeds
Seeds round to oval, flattened or convex, smooth to tuberculate.

[FIQ]

Ghazanfar, S. A. & Edmondson, J. R (Eds). (2014) Flora of Iraq, Volume 5 Part 2: Lythraceae to Campanulaceae.

Morphology General Habit
Glabrous aquatic herbs
Morphology Leaves
Leaves simple, orbicular, deeply cordate, petiolate
Morphology Reproductive morphology Flowers
Flowers fasciculate in leaf axils, long pedicellate
Morphology Reproductive morphology Flowers Calyx
Calyx lobes more or less lanceolate, slightly accrescent
Morphology Reproductive morphology Flowers Corolla
Corolla yellow or white, lobes ± fimbriate-ciliate
Morphology Reproductive morphology Fruits
Fruit opening irregularly.
Note
Floating Heart (Am.); KU’AIBA (Ir.). Nymphoides (from Nymphaea and -oides, resembling) As the Latin name of the genus implies it bears a superficial resemblance to Nymphaea and, though not one of the true water lilies (Nymphaeaceae, q.v.) may sometimes be miscalled a “water lily”. (Such a misconception may be the origin of the report mentioned by Guest (1933) of the supposed occurrence of the Yellow Water-Lily (Nuphar luteum) in the Muntafiq marshes, an edible plant said to be known locally as GUNGUL, though the occurrence of this species in Iraq has never been established. Handel-Mazzetti’s specimen, which Guest mentions, was from the Khabur river beyond and northwards of the frontier of Iraq.

[FTEA]

Menyanthaceae, Christopher Whitehouse. Flora of Tropical East Africa. 1996

Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5(-8), inserted at or below the corolla-throat
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary with 5 basal glands
Morphology Reproductive morphology Fruits
Capsule indehiscent or irregularly rupturing
Morphology Reproductive morphology Seeds
Seeds round to oval, flattened or convex, smooth to tuberculate.
Morphology General Habit
Aquatic herbs
Morphology Stem
Stems long, petiole-like
Morphology Leaves
Leaves floating, shortly petioled, circular to ovate in outline, base with a narrow to wide sinus, margin entire, crenate or dentate
Morphology Reproductive morphology Flowers
Flowers bisexual (in East Africa), solitary or fascicled at the nodes, subtended by a small bract, 5(-8)-merous
Morphology Reproductive morphology Flowers Corolla
Corolla white or yellow; lobes variously fimbriate; tube with short tufts of hairs ± halfway up

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[FIQ]
Use
Uphof (1959) mentions a Sino-Malaysian species (N. cristatum) used as food in China and an Australian species (N. crenatum) of which the small round tubers are roasted and consumed as food by the aborigines of Queensland. Chittenden (1951) recommends a white-flowered Esat North American species (N. aquatica), sometimes known as Fairy Water Lily, for cultivation. Though not very palatable, these water plants probably provide some fodder for animals in the marshes.

Native to:

Alabama, Albania, Algeria, Altay, Amur, Angola, Argentina Northeast, Argentina Northwest, Assam, Austria, Bahamas, Baltic States, Bangladesh, Belarus, Belgium, Belize, Benin, Bolivia, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Bulgaria, Burkina, Burundi, Buryatiya, Cambodia, Cameroon, Cape Provinces, Caprivi Strip, Cayman Is., Central African Repu, Central European Rus, Chad, China North-Central, China South-Central, China Southeast, Chita, Colombia, Congo, Connecticut, Costa Rica, Cuba, Czechoslovakia, Delaware, Dominican Republic, East Himalaya, Ecuador, El Salvador, Ethiopia, Fiji, Florida, France, French Guiana, Gabon, Gambia, Georgia, Germany, Ghana, Great Britain, Greece, Guatemala, Guinea, Guinea-Bissau, Guyana, Hainan, Haiti, Honduras, Hungary, India, Inner Mongolia, Iran, Iraq, Irkutsk, Italy, Ivory Coast, Jamaica, Japan, Kazakhstan, Kenya, Khabarovsk, Korea, Krasnoyarsk, KwaZulu-Natal, Laos, Leeward Is., Lesser Sunda Is., Louisiana, Madagascar, Maine, Malawi, Malaya, Mali, Manchuria, Maryland, Massachusetts, Mauritius, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Mississippi, Mongolia, Mozambique, Myanmar, Namibia, Nepal, Netherlands, New Brunswick, New Caledonia, New Hampshire, New Jersey, New South Wales, New York, Newfoundland, Nicaragua, Niger, Nigeria, North Carolina, North Caucasus, North European Russi, Northern Provinces, Northern Territory, Nova Scotia, Ontario, Pakistan, Panamá, Paraguay, Pennsylvania, Peru, Poland, Portugal, Primorye, Puerto Rico, Queensland, Québec, Rhode I., Romania, Réunion, Sardegna, Senegal, Sierra Leone, Somalia, South Australia, South Carolina, South European Russi, Spain, Sri Lanka, Sudan, Suriname, Swaziland, Taiwan, Tanzania, Tasmania, Texas, Thailand, Tibet, Transcaucasus, Trinidad-Tobago, Turkey-in-Europe, Tuva, Uganda, Ukraine, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vermont, Victoria, Vietnam, Virginia, West Himalaya, West Siberia, Western Australia, Xinjiang, Yakutskiya, Yugoslavia, Zambia, Zaïre, Zimbabwe

Introduced into:

Arizona, Arkansas, California, Denmark, District of Columbia, Illinois, Indiana, Kentucky, Missouri, Ohio, Oklahoma, Sweden, Switzerland, Venezuelan Antilles, Washington

Nymphoides Ség. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Brenan, J.P.M. [8595], Nigeria 1094.000
Wild, H. [4119], Zimbabwe 11167.000
Bullock, A.A. [2162], Zambia 11168.000
Polhill, R.M.&D [5246], Botswana 52388.000
Mattos, L.A. [304], Brazil K001138290
Lewis, G.P. [804], Brazil K001138296
Harley, R.M. [18004], Brazil K001138292
Harley, R. [3480], Brazil K001138297
Harley, R.M. [16105], Brazil K001138294
Santos, T.S. [2251], Brazil K001138291
Hind, D.J.N. [38], Brazil K001138298
Conceição, A.A. [2309], Brazil K001138295
Harley, R.M. [17438], Brazil K001138293
Hind, D.J.N. [38], Brazil K001138289

First published in Pl. Veron. 3: 121 (1754)

Literature

Catálogo de Plantas y Líquenes de Colombia

  • WCVP (2021). World Checklist of Vascular Plants, version 2.0. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://wcvp.science.kew.org/ Retrieved 28 April 2021

Flora of Iraq

  • Ség., Pl. Veron. 3: 121. 1754;

Flora of West Tropical Africa

  • Brit. Herb. 77 (1756).

Flora Zambesiaca

  • A. Raynal in Mitt. Bot. Staatss. München 10: 122–134 (1971)
  • Pl. Veron. 3: 121 (1754).
  • in Adansonia, Sér. 2, 14: 227–270, 405–458 (1974)
  • in Fl. Afr. Centr., Menyanthaceae: 1–16 (1975).

Flora of Somalia

  • Flora Somalia, (2000) Author: by M. Thulin [updated by M. Thulin 2008]
  • Raynal in Adansonia, sér. 2, 14: 227–270 (1974).

Flora of Tropical East Africa

  • A. Raynal in Mitt. Bot. Staats., München, 10: 122-134 (1971)
  • Mackinder in F.Z. 7(4): 51 (1990)
  • Pl. Veron. 3: 121 (1754)
  • in Adansonia, sér. 2, 14: 227-270 (1974)
  • in Adansonia, sér. 2, 14: 405-458  (1974)
  • in F.A.C., Menyanthaceae (1975)

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Iraq
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Science Photographs
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/