1. Family: Alismataceae Vent.
    1. Caldesia Parl.

      1. This genus is accepted, and its native range is Old World to N. Australia.

    [FTEA]

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

    Habit
    Perennial or annual aquatic and marsh herbs
    Leaves
    Leaves floating; leaf-blade broadly elliptic to broadly ovate; apex rounded to obtuse; base truncate to deeply cordate
    Inflorescences
    Peduncle longer than the leaves; inflorescence compound, pyramidal, consisting of whorls of 3 branches or 3 flowers subtended by 3 lanceolate bracts, and 2 or 3 smaller bracteoles
    Flowers
    Flowers bisexual
    Calyx
    Sepals 3, spreading or reflexed
    Corolla
    Petals 3, white
    Stamens
    Stamens 6(–11); filaments filiform or flattened; anthers oblong
    Carpels
    Carpels 2–9(–20), free, crowded on a small receptacle; style ventral; ovules solitary, basal
    Fruits
    Achenes swollen, smooth, ridged or warty; style persistent, ventral.

    Images

    Distribution

    Doubtfully present in:

    Egypt

    Native to:

    Altay, Amur, Angola, Assam, Baltic States, Bangladesh, Belarus, Benin, Botswana, Burkina, Burundi, Cameroon, Central European Rus, China North-Central, China South-Central, China Southeast, Congo, France, Germany, Guinea, Hungary, India, Inner Mongolia, Italy, Japan, Kenya, Khabarovsk, Korea, Laos, Madagascar, Malawi, Maluku, Manchuria, Myanmar, Nepal, New Guinea, Nigeria, Pakistan, Poland, Primorye, Queensland, Romania, Rwanda, Senegal, Sudan, Sulawesi, Taiwan, Tanzania, Thailand, Transcaucasus, Uganda, Ukraine, Vietnam, West Himalaya, Yugoslavia, Zambia, Zaïre, Zimbabwe

    Extinct in:

    Austria, Bulgaria, Switzerland

    Caldesia Parl. appears in other Kew resources:

    First published in Fl. Ital. 3: 598 (1860)

    Accepted by

    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

    Literature

    Flora of West Tropical Africa
    • Fl. Ital. 3: 598 (1858)
    Flora of Tropical East Africa
    • Fl. Ital. 3: 599 (1858)

    Sources

    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 2018. 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 2018. 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