Aponogeton distachyos L.f.
  • Suppl. Pl.
  • Cape-pondweed, water-hawthorne


Cite taxon page as 'WFO (2019): Aponogeton distachyos L.f. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000760937. Accessed on: 13 Dec 2019'

General Information

Leaves floating; petiole to 100 cm; blade ovate, narrowly oval, or narrowly lanceolate, 6--23 ´ 1.5--7.5 cm, base rounded to attenuate, apex obtuse to acute; veins 7--9. Inflorescences: spikes 1 or more, to 4.5 cm; spathe ca. 3 cm. Flowers in 2 rows, secund; tepals becoming green, enlarging, 10--15 ´ 3.5--6 mm, to 30 mm in fruit; veins 13 or more; stamens 3--4.5 mm; filaments expanded basally; anthers blackish purple; pollen yellow; pistils 2.5--3 ´ 0.7--1 mm; ovules usually 4. Fruits to 22 ´ 6 mm; beak 5 mm.

  • Provided by: [C].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Morphology

    Rhizomatous aquatic. Leaves floating, oblong. Flowers distichous, white, with 1 tepal, scented, stamens 8-16.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 

    Tubers up to 6 cm in diam., dark. Leaves with a floating lamina, lanceolate to oblong, 6-20 cm long and 2-7 cm broad, apex acute to obtuse, base rounded or shortly attenuate. Spikes bifid, many-flowered, up to 6 cm long. Flowers many, scented, dorsally arranged in 2 spreading rows, with the flowers on the one side slightly above those of the other; perianth-segments solitary, oblong to ovate-lanceolate, up to 18 mm long, delicate, white or occasionally pink, accrescent and green in fruit. Stamens 8-16, arranged in a circle, filaments thin, 3 mm long, anthers purple to black. Carpels 2-6 with c.4 ovules in each carpel. Follicles turbinate, c. 1 cm long with a straight beak, 1-4 seeded, seeds 9 mm long, with a spongy outer covering.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    Rhizomatous aquatic. Leaves with long slender petioles, floating blades oblong, 60-230 mm long. Inflorescence of 2 spikes on a scape up to 800 mm long. Flowers arranged in 2 rows on one side of each spike, white, with 1 large tepal, scented and edible.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Habitat

    Pools and ditches.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 

    In ponds, rivers and ditches.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    Pools, dams and ditches.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Distribution

    Bokkeveld Mtns to Knysna.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 

    Common in the winter-rainfall area of the Cape Province and, eastwards, to Plettenberg Bay. Often cultivated in Europe and said to have gone wild in the south of France.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    Bokkeveld Mountains and Tanqua Karoo to SW Cape, Laingsburg and Knysna.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Other Local Names

    NameLanguageCountry
    Cape-pondweed, water-hawthorne

      Bibliography

     Information From

    Aponogetonaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.21
    • B All Rights Reserved
    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.
    • C Flora of North America Association
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature
    https://www.iucn.org/
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • E All Rights Reserved
    International Union for Conservation of Nature v.3
    https://www.iucnredlist.org/
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • F See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use