1. Family: Alismataceae Vent.
    1. Sagittaria Ruppius ex L.

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

    [FTEA]

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

    Habit
    Perennial, occasionally annual, monoecious, rarely dioecious, marsh or aquatic herbs
    Leaves
    Leaves erect, floating or submerged; leaf-blade of the erect leaves linear to broadly ovate, often with sagittate base; that of the floating leaves linear to ovate, with cuneate to cordate base; submerged leaves rarely lanceolate, usually modified into linear phyllodes, occasionally terete and spongy
    Inflorescences
    Inflorescence erect or sometimes floating, with 1–12 whorls, each usually 3-flowered, the upper ♂, the lower ♀; flowers occasionally replaced by branches; bracts 3; pedicels often thickened and recurved in fruit
    Calyx
    Sepals 3, reflexed in the ♂ flowers, appressed, spreading or reflexed in the ♀ flowers
    Corolla
    Petals 3, white, rarely pink, sometimes with a purple spot near the base
    Stamens
    Stamens 9–∞; filaments filiform, sometimes flattened or broadened at the base
    Carpels
    Carpels ∞, free, spirally arranged on a convex receptacle; style ventral; ovules solitary, basal
    Fruits
    Fruit a globose head of achenes which are much compressed laterally, winged and beaked.
    [FZ]

    Phytolaccaceae, B. L. Stannard. Flora Zambesiaca 9:1. 1988

    Habit
    Subshrubs or herbs sometimes becoming woody at base, annual and perennial.
    Leaves
    Leaves alternate, often with fascicles of leaves in axils, filiform or with distinctly broad lamina, sometimes more or less succulent, sessile or petiolate.
    Inflorescences
    Inflorescences spikes, terminal and axillary.
    Flowers
    Flowers hermaphrodite, actinomorphic, usually in clusters of 3.
    Bracts
    Bracts solitary, sometimes 3-lobed.
    Bracteoles
    Bracteoles sometimes present in pairs.
    Calyx
    Sepals 4–5, more or less equal, membranous.
    Stamens
    Stamens 4, three alternate with sepals and one opposite; filaments filiform, free.
    Pistil
    Ovary globose, 1-ovulate; style absent or short; stigmas 4, filiform.
    Fruits
    Fruit subglobose to globose, ridged, muricate or warty.
    Seeds
    Seed 1; testa dark brown or black.

    Images

    Distribution

    Native to:

    Afghanistan, Alabama, Alaska, Alberta, Altay, Amur, Argentina Northeast, Argentina Northwest, Arizona, Arkansas, Assam, Austria, Bahamas, Baltic States, Bangladesh, Belarus, Belgium, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, British Columbia, Bulgaria, Burkina, Buryatiya, California, Cambodia, Cameroon, Cayman Is., Central European Rus, Chad, Chile Central, Chile South, China North-Central, China South-Central, China Southeast, Chita, Colombia, Colorado, Connecticut, Costa Rica, Cuba, Czechoslovakia, Delaware, Denmark, District of Columbia, Dominican Republic, East European Russia, East Himalaya, Ecuador, El Salvador, Finland, Florida, France, French Guiana, Gambia, Georgia, Germany, Ghana, Great Britain, Greece, Guatemala, Guinea-Bissau, Guyana, Hainan, Haiti, Honduras, Hungary, Idaho, Illinois, India, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Ireland, Irkutsk, Italy, Ivory Coast, Jamaica, Japan, Jawa, Kamchatka, Kansas, Kazakhstan, Kentucky, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Labrador, Laos, Louisiana, Madagascar, Magadan, Maine, Malaya, Mali, Manchuria, Manitoba, Maryland, Masachusettes, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Myanmar, Nansei-shoto, Nebraska, Nepal, Netherlands, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, Nicaragua, Nicobar Is., Niger, Nigeria, North Carolina, North Caucasus, North Dakota, North European Russi, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pakistan, Panamá, Paraguay, Pennsylvania, Peru, Philippines, Poland, Portugal, Primorye, Prince Edward I., Puerto Rico, Québec, Rhode I., Romania, Sakhalin, Sardegna, Saskatchewan, Senegal, South Carolina, South Dakota, South European Russi, Spain, Sudan, Sulawesi, Sumatera, Suriname, Sweden, Switzerland, Tadzhikistan, Taiwan, Tennessee, Texas, Thailand, Tibet, Transcaucasus, Trinidad-Tobago, Turkey, Turkey-in-Europe, Tuva, Ukraine, Uruguay, Utah, Uzbekistan, Venezuela, Vermont, Vietnam, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Windward Is., Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yugoslavia, Yukon

    Introduced into:

    Azores, Borneo, Cook Is., Fiji, Hawaii, Leeward Is., Marianas, Society Is., South Australia, Tanzania

    Sagittaria Ruppius ex L. appears in other Kew resources:

    First published in Sp. Pl.: 993 (1753)

    Accepted by

    • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora of West Tropical Africa
    • Bogin in Mem. N.Y. Bot. Gard. 9: 179-233 (1955).
    • Sp. Pl. 993 (1753)
    Flora of Tropical East Africa
    • C. Bogin in Mem. New York Bot. Gard. 9: 179 (1955)
    • L., Gen. Pl., ed. 5: 429 (1754)
    • Sp. Pl.: 993 (1753)

    Sources

    Art and Illustrations in Digifolia
    Digital Image © Board of Trustees, RBG Kew

    Flora Zambesiaca
    Flora Zambesiaca
    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

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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