[FSOM]
M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS
- Morphology Leaves
- Fronds floating or submerged, separate or connected, flat or swollen
- Morphology Roots
- Roots solitary or absent
- Morphology Reproductive morphology Inflorescences
- Floral poach lateral with spathe enclosing 2 male and 1 female flower
- Morphology Reproductive morphology Flowers Androecium Stamens Anthers
- Anther thecae 2-celled
- Morphology Reproductive morphology Fruits
- Fruit ± globose, 1–6-seeded; seeds usually ribbed.
- Distribution
- Cosmopolitan genus of some 14-17 species.
[FTEA]
Lemnaceae, F. N. Hepper. Flora of Tropical East Africa. 1973
- Morphology General Habit
- Aquatics, submerged or more usually floating in great numbers; individual thalli cohering
- Morphology General Thallus
- Daughter thallus budding from lateral pocket Thalli oblong to ovate, ± asymmetrical, thin or spongy
- Morphology Roots
- Root solitary, devoid of hairs,shortly sheathed near point of origin; sheath simple or laterally winged; apex of root sheathed by a conspicuous root-cap, tip acute or obtuse
- Morphology Reproductive morphology Flowers
- Flowering erratic; floral pocket lateral with spathe enclosing 2 staminate and 1 pistillate flowers
- Morphology Reproductive morphology Fruits
- Fruit (l–6)-seeded
- Morphology Reproductive morphology Seeds
- Seed usually ribbed.
[CATE]
CATE Araceae, 17 Dec 2011. araceae.e-monocot.org
- General Description
- Fronds with 1 - 5 (7) veins and 1 to several layers of air spaces and raphides; pigment cells lacking; fronds not surrounded by a prophyll; 1 root per frond; pistil with 1 amphitrophous or atropous or 2 - 7 anatropous ovules; seeds 0.4 - 0.9 mm long, with 8-60 longitudinal ribs.
- Distribution
- Cosmopolitan.
- Diagnostic
- Free floating aquatic plants reduced to small, leaf-like, poorly differentiated fronds; roots and veins present; lack calcium oxalate druses. Differs from Spirodela in having only 1 root per frond, 1-5 veins (rarely 7 in Lemna gibba ) and the base of the frond lacking a scale.
Native to:
Afghanistan, Alabama, Alaska, Albania, Alberta, Aldabra, Algeria, Altay, Amur, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Aruba, Austria, Azores, Bahamas, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Belize, Benin, Bermuda, Bolivia, Borneo, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, British Columbia, Bulgaria, Burkina, Burundi, Buryatiya, Cabinda, California, Cambodia, Cameroon, Canary Is., Cape Provinces, Cape Verde, Caprivi Strip, Caroline Is., Cayman Is., Central African Repu, Central European Rus, Chad, Chagos Archipelago, Chile Central, Chile North, China North-Central, China South-Central, China Southeast, Chita, Christmas I., Cocos (Keeling) Is., Colombia, Colorado, Comoros, Congo, Connecticut, Corse, Costa Rica, Cuba, Cyprus, Czechoslovakia, Delaware, Denmark, District of Columbia, Dominican Republic, East Aegean Is., East European Russia, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Ethiopia, Fiji, Finland, Florida, France, Free State, French Guiana, Føroyar, Gabon, Galápagos, Gambia, Georgia, Germany, Ghana, Great Britain, Greece, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Gulf States, Guyana, Haiti, Hawaii, Honduras, Hungary, Iceland, Idaho, Illinois, India, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Ireland, Irkutsk, Italy, Ivory Coast, Jamaica, Japan, Jawa, Kamchatka, Kansas, Kazakhstan, Kentucky, Kenya, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., KwaZulu-Natal, Labrador, Lebanon-Syria, Leeward Is., Lesotho, Lesser Sunda Is., Liberia, Libya, Louisiana, Madagascar, Madeira, Magadan, Maine, Malawi, Malaya, Mali, Maluku, Manchuria, Manitoba, Maryland, Massachusetts, Mauritania, Mauritius, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Mozambique, Mozambique Channel I, Myanmar, Namibia, Nebraska, Nepal, Netherlands, Netherlands Antilles, Nevada, New Brunswick, New Caledonia, New Guinea, New Hampshire, New Jersey, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Newfoundland, Nicaragua, Niger, Nigeria, Norfolk Is., North Carolina, North Caucasus, North Dakota, North European Russi, Northern Provinces, Northern Territory, Northwest European R, Norway, Nova Scotia, Ohio, Oklahoma, Oman, Ontario, Oregon, Pakistan, Palestine, Panamá, Paraguay, Pennsylvania, Peru, Philippines, Poland, Portugal, Primorye, Prince Edward I., Puerto Rico, Qinghai, Queensland, Québec, Rhode I., Rodrigues, Romania, Rwanda, Réunion, Sakhalin, Samoa, Sardegna, Saskatchewan, Saudi Arabia, Senegal, Seychelles, Sicilia, Sierra Leone, Sinai, South Australia, South Carolina, South Dakota, South European Russi, Southwest Caribbean, Spain, Sudan, Sulawesi, Sumatera, Suriname, Svalbard, Swaziland, Sweden, Switzerland, Tadzhikistan, Taiwan, Tanzania, Tasmania, Tennessee, Texas, Thailand, Togo, Tonga, Transcaucasus, Trinidad-Tobago, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Turks-Caicos Is., Tuva, Uganda, Ukraine, Uruguay, Utah, Uzbekistan, Venezuela, Venezuelan Antilles, Vermont, Victoria, Vietnam, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Western Australia, Western Sahara, Windward Is., Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yemen, Yugoslavia, Yukon, Zambia, Zaïre, Zimbabwe
Introduced into:
Ascension, Assam, Nicobar Is., Sri Lanka, St.Helena
- English
- Duckweed
Lemna L. appears in other Kew resources:
Date | Reference | Identified As | Barcode | Type Status | Has image? |
---|---|---|---|---|---|
Chandler, P. [1731], Uganda | 22463.000 | No | |||
24323.000 | No | ||||
Schodde, R. [2674], Papua New Guinea | 25394.000 | No | |||
Seychelles | 33952.000 | No | |||
Hepper, F.N. [5633], Yemen | 34348.000 | No | |||
Melville, R. [212], Australia | 35448.000 | No | |||
Harley, R.M. [25515a], Brazil | 58015.000 | No | |||
Spruce, R. [s.n.], Peru | K000201335 | Yes | |||
Melville, R. [2216], Australia | 36868.000 | No |
First published in Sp. Pl.: 970 (1753)
Accepted by
- 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
Flora of West Tropical Africa
- F.T.A. 8: 200.
- Sp. Pl. 970 (1753)
CATE Araceae
- Landolt, E. 1998. Lemnaceae The Families and Genera of Flowering Plants.. 4: 264-270
- Royal Botanic Gardens, Kew 2008. World Checklist of Selected Plant Families.
Flora of Somalia
- Flora Somalia, Vol 4, (1995) Author: by M. Thulin [updated by M. Thulin 2008]
Flora of Tropical East Africa
- Daubs, Monogr. Lemnac.: 16 (1965)
- Hegelm., Lemnac. Monogr.: 134 (1868)
- L., Gen. Pl., ed. 5: 417 (1754)
- N.E. Br. in F.T.A. 8: 201 (1901)
- 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
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Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0
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Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0
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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
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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
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Plants and People Africa
Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
© Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/