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This genus is accepted, and its native range is Temp. Northern Hemisphere to E. Tropical Africa.

[FTEA]

Alismataceae, Susan Carter. Flora of Tropical East Africa. 1960

Morphology General Habit
Perennial aquatic or marsh herbs
Morphology Leaves
Leaves erect; leaf-blade linear-lanceolate to ovate; apex acute; base decurrent to cordate
Morphology Reproductive morphology Inflorescences
Inflorescence compound, pyramidal; flowers and branches in whorls of 4 or more, each whorl subtended by 3 bracts and several smaller bracteoles
Morphology Reproductive morphology Flowers
Flowers bisexual
Morphology Reproductive morphology Flowers Calyx
Sepals 3, appressed in the fruiting state
Morphology Reproductive morphology Flowers Corolla
Petals 3, larger than the sepals
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 6; filaments filiform
Morphology Reproductive morphology Flowers Gynoecium Carpels
Carpels many, free; style ventral, erect or curved; stigma papillose; ovules solitary, basal
Morphology Reproductive morphology Fruits
Achenes many, in a whorl on the flat receptacle, compressed laterally, ridged dorsally.

Native to:

Afghanistan, Alabama, Alaska, Albania, Alberta, Algeria, Altay, Amur, Arizona, Arkansas, Assam, Austria, Azores, Baleares, Baltic States, Bangladesh, Belarus, Belgium, British Columbia, Bulgaria, Burundi, Buryatiya, California, Canary Is., Central European Rus, China North-Central, China South-Central, China Southeast, Chita, Colorado, Connecticut, Corse, Cyprus, Czechoslovakia, Delaware, Denmark, District of Columbia, East Aegean Is., East European Russia, East Himalaya, Egypt, Eritrea, Ethiopia, Finland, France, Georgia, Germany, Great Britain, Greece, Hungary, Idaho, Illinois, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Ireland, Irkutsk, Italy, Japan, Kamchatka, Kansas, Kazakhstan, Kentucky, Kenya, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., Labrador, Lebanon-Syria, Libya, Louisiana, Madeira, Maine, Manchuria, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Myanmar, Nansei-shoto, Nebraska, Nepal, Netherlands, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, North Carolina, North Caucasus, North Dakota, North European Russi, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pakistan, Palestine, Pennsylvania, Poland, Portugal, Primorye, Prince Edward I., Qinghai, Québec, Rhode I., Romania, Rwanda, Sakhalin, Sardegna, Saskatchewan, Sicilia, South Carolina, South Dakota, South European Russi, Spain, Sudan, Sweden, Switzerland, Tadzhikistan, Taiwan, Tanzania, Tennessee, Texas, Thailand, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Tuva, Uganda, Ukraine, Utah, Uzbekistan, Vermont, Vietnam, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yugoslavia, Zaïre

Introduced into:

Angola, Argentina South, Cape Provinces, Chile Central, Free State, KwaZulu-Natal, New South Wales, New Zealand North, New Zealand South, Northern Provinces, Queensland, South Australia, Tasmania, Victoria, Western Australia, Zimbabwe

Alisma L. appears in other Kew resources:

First published in Sp. Pl.: 342 (1753)

Accepted by

  • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

Literature

Flora of Tropical East Africa

  • L., Gen. Pl., ed. 5: 160 (1754)
  • Sp. Pl.: 342 (1753)

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