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This species is accepted, and its native range is Europe to Central Asia and Pakistan, Africa, America.

[CATE]

CATE Araceae, 17 Dec 2011. araceae.e-monocot.org

Vernacular
Gibbous Duckweed
Diagnostic
Fronds mostly without a distinct papule near the tip, margin of the fruit 0.1-0.2 mm wide; found in all continents except australia
Distribution
Areas of temperate climate with a dry season and mild winters (especially in mediterranean climates; America, Europe, Africa, Southwest Asia); not found in Australia
General Description
FROND 1-8 mm long, 0.8-6 mm wide, 1-1 1/2 times as long as wide; somewhat shiny on the upper surface, usually without distinct papules (sometime smaller fronds with well visible papules near the tip) , usually with 4-5 nerves (rarely up to 7 nerves; small fronds sometimes only with 3 nerves); the lateral nerves originate independently from the node; very often gibbous (up to 4 mm thick); on the upper surface occasionally with distinct red spots, especially near the tip; on the lower surface sometimes red coloured, especially near the margins, on the nerves or on the cells between the air spaces, the pigmentation rarely beginning from the node; greatest distance between the inner lateral nerves in or somewhat above the middle of the nerves; largest air spaces wider than 0.3 mm; rootcap mostly rounded (living material) or often pointed (dried material), 0.6-1.8 mm long (the other species of the group up to 1.2 mm long); no rootless turions which sink to the bottom of the water present. INFLORESCENCE: Plants often flowering and fruiting. Ovary with 1-7 ovules; style 0.05-0.1 mm long INFRUCTESCENCE: fruit 0.6-1.0 mm long, 0.8-1.2 mm wide, with winged margin; wing 0.1-0.2 mm wide; seeds 1-5 per fruit, 0.7-0.9 mm long, 0.4-0.6 mm thick, whitish, with 8-16 distinct ribs, fall out of the fruit wall after ripening.

[FTEA]

Lemnaceae, F. N. Hepper. Flora of Tropical East Africa. 1973

Habit
Thallus free-floating, surface broadly ovate, yellow-green, asymmetrical, slightly convex, 3–5(–6) mm. long, 2–4(–5) mm. wide, almost hemispherical below and spongy with large inflated hyaline cells and airspaces (even in flat form with large cells evident).
Growth
Daughter thalli budding laterally, 2 or 3remaining attached with very short stipes.
Roots
Root solitary; sheath unwinged; root-cap 5 mm. long, tip obtuse (rarely acute).
Flowers
Floral cavity lateral.
Bracts
Spathe enclosing 2 1-staminate flowers and 1 pistillate.
Fruits
Fruits narrowly winged above, 1–2-seeded.
Seeds
Seed ribbed and transversely striate.
Figures
Fig. 1/2, p. 3.
Habitat
Pools and still water, covering the surface; 800–1540 m.
Distribution
widespread through most of the world K4 K5 K6 K7 T1 T2 T5

[CPLC]

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Nativa en Colombia; Alt. 2550 - 2650 m.; Andes.
Habit
Hierba, acuática
Conservation
No Evaluada

Native to:

Afghanistan, Albania, Algeria, Argentina Northeast, Argentina Northwest, Arizona, Austria, Baleares, Baltic States, Belarus, Belgium, Bolivia, Brazil South, Bulgaria, California, Canary Is., Cape Provinces, Central European Rus, Chad, Chile Central, Colombia, Colorado, Corse, Czechoslovakia, Denmark, East Aegean Is., East European Russia, Ecuador, Egypt, Eritrea, Ethiopia, Finland, Florida, France, Free State, Germany, Great Britain, Greece, Haiti, Hungary, Idaho, Illinois, Iran, Ireland, Italy, Kazakhstan, Kenya, Kriti, Krym, KwaZulu-Natal, Lebanon-Syria, Libya, Madeira, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southwest, Minnesota, Mississippi, Montana, Morocco, Nebraska, Netherlands, Nevada, New Mexico, North Caucasus, North European Russi, Northern Provinces, Northwest European R, Oregon, Pakistan, Palestine, Peru, Poland, Portugal, Romania, Sardegna, Sicilia, South European Russi, Spain, Sweden, Switzerland, Tadzhikistan, Tanzania, Texas, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Ukraine, Uruguay, Utah, Uzbekistan, Venezuela, Washington, Western Sahara, Wyoming, Yugoslavia, Zaïre

Extinct in:

Norway

Introduced into:

Japan, Sri Lanka

Lemna gibba L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1979 Greenway, P.J. [12583], Tanzania K000499405
Milne-Redhead, E. [1945], United Kingdom 23591.000
Melville, R., United Kingdom 23958.000
Melville, R., United Kingdom 24300.000
Richards, H.M. [20167], Tanzania 34395.000
Richards, H.M. [23320], Tanzania 6049.139
Polhill, R. [2198], Tanzania 32775.000
Ross-Craig, S., United Kingdom 34830.000
Hepper, F.N. [5789], Yemen 35728.000
Ross-Craig, S., United Kingdom 34738.000
Townsend, C.C. [65/325], Jordan 27799.000
Pocock, M.A., United Kingdom 23590.000
Summerhayes, J.L.V. [1315], United Kingdom 24299.000
Abo el Khalen [4297], Egypt 36486.000
Oates, J., Uganda 38449.000

First published in Sp. Pl.: 970 (1753)

Accepted by

  • Forzza, R.C., Zappi, D. & Souza, V.C. (2016-). Flora do Brasil 2020 em construção http://reflora.jbrj.gov.br/reflora/listaBrasil/ConsultaPublicaUC/ResultadoDaConsultaNovaConsulta.do.
  • Iwatsuki, K., Boufford, D.E. & Ohba, H. (2016). Flora of Japan IVb: 1-335. Kodansha Ltd., Tokyo.
  • Hellquist, C.E., Hellquist, C.B. & Whipple, J.J. (2014). New records for rare and under-collected aquatic vascular plants of Yellowstone National Park Madroño 61: 159-176.
  • Garcia-Mendoza, A.J. & Meave, J.A. (eds.) (2012). Diversidad florística de Oaxaca: de musgos a angiospermas (colecciones y listas de especies), ed. 2: 1-351. Instituto de Biología, Universidad Nacional Autónoma de México.
  • Barina, Z., Pifkó, D. & Mesterházy, A. (2011). Contributions to the flora of Albania, 3 Willdenowia 41: 329-339.
  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • Castroviejo, S. & al. (eds.) (2008). Flora Iberica 18: 1-420. Real Jardín Botánico, CSIC, Madrid.
  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.
  • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
  • Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Kew Backbone Distributions

  • Forzza, R.C., Zappi, D. & Souza, V.C. (2016-). Flora do Brasil 2020 em construção http://reflora.jbrj.gov.br/reflora/listaBrasil/ConsultaPublicaUC/ResultadoDaConsultaNovaConsulta.do.
  • Iwatsuki, K., Boufford, D.E. & Ohba, H. (2016). Flora of Japan IVb: 1-335. Kodansha Ltd., Tokyo.
  • Garcia-Mendoza, A.J. & Meave, J.A. (eds.) (2012). Diversidad florística de Oaxaca: de musgos a angiospermas (colecciones y listas de especies), ed. 2: 1-351. Instituto de Biología, Universidad Nacional Autónoma de México.
  • Chilton, L. (2010). Plant list for Lesvos, slightly revised 1998-2009: 1-36. Marengo, Hunstanton, England.
  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • Quézel, P. (1958). Mission Botanique au Tibesti: 1-357. Université d'Alger.

Flora of Tropical East Africa

  • Daubs, Monogr. Lemnac.: 17, t. 8 (1965).
  • N.E. Br. in Flora of Tropical Africa 8: 201 (1901).
  • Engl. in A. Engler & K. Prantl, Die Natürlichen Pflanzenfamilien 2, 3: 164, fig. 101/C, 106/D (1889).
  • Hegelm., Lemnac. Monogr.: 145, t. 11–13 (1868).
  • L., Sp. Pl.: 970 (1753).

CATE Araceae
Haigh, A., Clark, B., Reynolds, L., Mayo, S.J., Croat, T.B., Lay, L., Boyce, P.C., Mora, M., Bogner, J., Sellaro, M., Wong, S.Y., Kostelac, C., Grayum, M.H., Keating, R.C., Ruckert, G., Naylor, M.F. and Hay, A., CATE Araceae, 17 Dec 2011.
http://creativecommons.org/licenses/by-nc-sa/3.0

Catálogo de Plantas y Líquenes de Colombia
http://creativecommons.org/licenses/by-nc-sa/3.0

Colombian resources for Plants made Accessible
http://creativecommons.org/licenses/by/3.0/

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

Herbarium Catalogue Specimens
'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
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