Family:
Araceae Juss.
Genus:
Lemna L.

Lemna gibba L.

This species is accepted, and its native range is Europe to Central Asia and W. Himalaya, Africa, America. It is used as animal food and for food.

[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

Morphology General 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.
Morphology Roots
Root solitary; sheath unwinged; root-cap 5 mm. long, tip obtuse (rarely acute).
Morphology Reproductive morphology Flowers
Floral cavity lateral.
Morphology Reproductive morphology Inflorescences Bracts
Spathe enclosing 2 1-staminate flowers and 1 pistillate.
Morphology Reproductive morphology Fruits
Fruits narrowly winged above, 1–2-seeded.
Morphology Reproductive morphology 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.
Morphology General Habit
Hierba, acuática
Conservation
No Evaluada

[UPFC]
Distribution
Biogeografic region: Andean. Elevation range: 2550–2650 m a.s.l. Native to Colombia. Colombian departments: Bogotá DC, Cundinamarca.
Habit
Herb, Aquatic.
Conservation
IUCN Red List Assessment (2021): LC.
Ecology
Habitat according IUCN Habitats Classification: forest and woodland, shrubland, artificial - terrestrial.

[UPFC]
Use Animal Food
Used as animal food.
Use Food
Used for food.

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, Gulf States, 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, Oman, Oregon, Pakistan, Palestine, Peru, Poland, Portugal, Romania, Sardegna, Saudi Arabia, Sicilia, South European Russi, Spain, Sweden, Switzerland, Tadzhikistan, Tanzania, Texas, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Ukraine, Uruguay, Utah, Uzbekistan, Venezuela, Washington, West Himalaya, Western Sahara, Wyoming, Yemen, 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 Has image?
Jan 1, 1979 Greenway, P.J. [12583], Tanzania K000499405 Yes
Pocock, M.A., United Kingdom 23590.000 No
Milne-Redhead, E. [1945], United Kingdom 23591.000 No
Melville, R., United Kingdom 23958.000 No
Summerhayes, J.L.V. [1315], United Kingdom 24299.000 No
Melville, R., United Kingdom 24300.000 No
Townsend, C.C. [65/325], Jordan 27799.000 No
Polhill, R. [2198], Tanzania 32775.000 No
Richards, H.M. [20167], Tanzania 34395.000 No
Ross-Craig, S., United Kingdom 34738.000 No
Ross-Craig, S., United Kingdom 34830.000 No
Hepper, F.N. [5789], Yemen 35728.000 No
Abo el Khalen [4297], Egypt 36486.000 No
Oates, J., Uganda 38449.000 No
Richards, H.M. [23320], Tanzania 6049.139 No

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

Accepted by

  • Barina, Z., Pifkó, D. & Mesterházy, A. (2011). Contributions to the flora of Albania, 3 Willdenowia 41: 329-339.
  • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
  • Castroviejo, S. & al. (eds.) (2008). Flora Iberica 18: 1-420. Real Jardín Botánico, CSIC, Madrid.
  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • 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.
  • 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.
  • 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.
  • 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.
  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • Iwatsuki, K., Boufford, D.E. & Ohba, H. (2016). Flora of Japan IVb: 1-335. Kodansha Ltd., Tokyo.
  • Takhtajan, A.L. (ed.) (2006). Konspekt Flora Kavkaza 2: 1-466. Editio Universitatis Petropolitanae.

Literature

Catálogo de Plantas y Líquenes de Colombia

  • 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

CATE Araceae

  • Landolt, E. 1986. The family of Lemnaceae - a monographic study, 1. Veröff. Geobot. Isnt. ETH (Stift. Rübel). 71: 1-563

Kew Backbone Distributions

  • Chilton, L. (2010). Plant list for Lesvos, slightly revised 1998-2009: 1-36. Marengo, Hunstanton, England.
  • 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.
  • 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.
  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • Iwatsuki, K., Boufford, D.E. & Ohba, H. (2016). Flora of Japan IVb: 1-335. Kodansha Ltd., Tokyo.
  • Quézel, P. (1958). Mission Botanique au Tibesti: 1-357. Université d'Alger.

Useful Plants and Fungi of Colombia

  • Bernal, R., Gradstein, S.R., & Celis, M. (eds.). (2020). Catálogo de Plantas y Líquenes de Colombia. v1.1. Universidad Nacional de Colombia. Dataset/Checklist. https://doi.org/10.15472/7avdhn
  • Diazgranados et al. (2021). Catalogue of plants of Colombia. Useful Plants and Fungi of Colombia project. In prep.
  • Diazgranados, M., Allkin, B., Black N., Cámara-Leret, R., Canteiro C., Carretero J., Eastwood R., Hargreaves S., Hudson A., Milliken W., Nesbitt, M., Ondo, I., Patmore, K., Pironon, S., Turner, R., Ulian, T. (2020). World Checklist of Useful Plant Species. Produced by the Royal Botanic Gardens, Kew. Knowledge Network for Biocomplexity.
  • FPI (2021). Food Plants International. https://fms.cmsvr.com/fmi/webd/Food_Plants_World?homeurl=https://foodplantsinternational.com/plants/
  • GBIF.org (2021). GBIF species matching tool. https://www.gbif.org/tools/species-lookup
  • GRIN (2021). Germplasm Resources Information Network from the United States Department of Agriculture. https://www.ars-grin.gov/
  • IUCN (2021). The IUCN Red List of Threatened Species. Version 2021-2. https://www.iucnredlist.org.
  • Willis, K.J. (ed.) (2017). State of the World’s Plants 2017. Report. Royal Botanic Gardens, Kew.

Flora of Tropical East Africa

  • Daubs, Monogr. Lemnac.: 17, t. 8 (1965).
  • 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).
  • N.E. Br. in Flora of Tropical Africa 8: 201 (1901).

  • 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

    ColPlantA 2021. Published on the Internet at http://colplanta.org
    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

    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 2022. 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 2022. 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

    Copyright applied to individual images

  • Useful Plants and Fungi of Colombia

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