Brasenia Schreb.
  • Gen. Pl. 1: 372. 1789. (Apr 1789)
  • Water-shield [for Christoph Brasen, 1774, Moravian missionary and plant collector in Greenland and Labrador]


Cite taxon page as 'WFO (2020): Brasenia Schreb. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000005323. Accessed on: 06 Jul 2020'

General Information

Plants with young vegetative parts heavily mucilaginous. Leaves all floating, long petiolate; leaf blade broadly elliptic, venation radiate, margin entire. Flowers anemophilous, usually long pedunculate; perianth not showy. Sepals linear-oblong to narrowly ovate. Petals narrowly oblong, lacking basal auricles. Stamens 12--36(--51), opposite both sepals and petals. Pistils 6--18; ovules (1--)2; stigmas linear-decurrent. Fruit slightly to strongly fusiform; seeds ovoid, lacking tubercles.

  • Provided by: [D].Flora Of CHina @ efloras.org
    • Source: [
    • 5
    • ]. 

    Herbs , young vegetative parts heavily coated with mucilage. Leaves floating; petiole long. Leaf blade elliptic. Flowers: sepals 3, not petaloid, linear-oblong to narrowly ovate; petals 3, linear-oblong, lacking auricles, base not clawed; stamens 18-36(-51), opposite both sepals and petals; pistils 4-18, simple, 1-locular; ovules (1-)2; stigma linear-decurrent. Fruits slightly to strongly fusiform. Seeds ovoid, tubercles absent. x = 40.

  • Provided by: [F].Flora of North America @ efloras.org
    • Source: [
    • 6
    • ]. 

    "Sep somewhat petaloid, colored within; stamens 12–18, or reputedly to 36; filaments of 2 lengths; anthers introrse, pistils 4–8; submerged parts covered with a mucilaginous jelly; lvs alternate, mostly crowded near the summit, long-petioled, with floating, centrally peltate blade. Monospecific"

  • Provided by: [E].New York Botanical Garden
    • Source: [
    • 7
    • ]. 

    Morphology

    Floating leaves peltate; submerged leaves absent

  • Provided by: [C].Plants Of the World Online Portal - FTEA
    • Source: [
    • 3
    • ]. 

    Stamens 12–18

  • Provided by: [C].Plants Of the World Online Portal - FTEA
    • Source: [
    • 3
    • ]. 

    Sepals and petals persistent in fruit

  • Provided by: [C].Plants Of the World Online Portal - FTEA
    • Source: [
    • 3
    • ]. 

    Testa with cells of outer layer very characteristically elongated radially.

  • Provided by: [C].Plants Of the World Online Portal - FTEA
    • Source: [
    • 3
    • ]. 

    Carpels 6–18

  • Provided by: [C].Plants Of the World Online Portal - FTEA
    • Source: [
    • 3
    • ]. 

    Carpels 6–18.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 4
    • ]. 

    Stamens 12–18.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 4
    • ]. 

    Leaves floating and peltate, submerged dissected leaves lacking.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 4
    • ]. 

    Included Species

    Other Local Names

    NameLanguageCountry
    Water-shield [for Christoph Brasen, 1774, Moravian missionary and plant collector in Greenland and Labrador]

     Information From

    Cabombaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Plants Of the World Online Portal - FZ
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • B
    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • C
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • D Missouri Botanical Garden
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • E Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • F Flora of North America Association
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • G CC0 1.0 Universal (CC0 1.0).