Aponogeton subconjugatus Schumach. & Thonn.
  • Beskr. Guin. Pl.


Cite taxon page as 'WFO (2019): Aponogeton subconjugatus Schumach. & Thonn. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000761011. Accessed on: 19 Nov 2019'

Morphology

Flowers yellowish.

  • Provided by: [C].Plants Of the World Online Portal - FWTA
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    An aquatic with floating leaves in pools

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    Spikes bisexual, dense-flowered, 15–50 mm. long and 4–8 mm. wide when flowering, elongating to 130 mm. long and 13 mm. wide when fruiting.

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    Tepals usually 2, cream to yellow with a slightly darker midrib and brownish gland-dots, ovate to ligulate, 1.5–3 mm. long, often persistent.

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    Stamens usually 6; filaments 2–3 mm. long, yellow, slightly widened towards the base; anthers 0.3–0.5 mm. long and 0.3–0.4 mm. wide, yellow, not turning black with age.

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    Ovaries 4–6, green; ovules 10–12.

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    Tuber oval or irregularly shaped, 10–40 mm. long and 10–30 mm. thick, densely set with brown and whitish roots above.

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    Leaves few–many; petiole 5–60 cm. long and 1–6 mm. thick, but often wider at the sheathing base; blade oblong to oblong-lanceolate, 5–23 cm. long and 1.5–6 cm. wide, base prominently cordate, apex obtuse or rounded; main parallel lateral nerves 3–5 on each side of the midrib; cross-nerves prominent on lower surface.

  • Provided by: [B].Plants Of the World Online Portal - FTEA
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    Flowers cream to yellow, densely set in bifid spikes with the flowers facing in all directions; peduncles 10–70 cm. long and 2–7 mm. thick, often slightly thicker below the inflorescence; spathes 20–50 mm. long, including an up to 20 mm. long acumen, green, early caducous.

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    Plants monoecious.

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    Seeds 1.4–2 mm. long and 0.5–0.9 mm. wide, cylindric, greyish brown with longitudinal pale wings; testa double.

  • Provided by: [B].Plants Of the World Online Portal - FTEA
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    Follicles green, 4–6 mm. long and 2–3 mm. wide including a 1–2 mm. long beak.

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     Information From

    Aponogetonaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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
    • B
    Plants Of the World Online Portal - FWTA
    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 The Trustees of the Royal Botanic Gardens, Kew
    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 v.3
    https://www.iucnredlist.org/
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • E See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use
    International Union for Conservation of Nature
    https://www.iucn.org/
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • F All Rights Reserved