Gonatopus marattioides (Peter) Bogner
  • Aroideana


Cite taxon page as 'WFO (2020): Gonatopus marattioides (Peter) Bogner. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000974364. Accessed on: 27 May 2020'

Morphology

Small herb with long, usually slender, cylindric, horizontal rhizome 0.8–1 cm. in diameter.

  • Provided by: [B].Plants Of the World Online Portal - FTEA
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    Pistillate flower: pistil laterally flattened, ovate, 3 mm. long, 2 mm. broad, ovary 2-locular, locules uniovulate, placentation at base of septum; stigma 1–1.5 mm. broad, ± discoid, green.

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    Staminate flower: staminal tube equalling tepals; anthers not exserted.

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    Fruit not seen.

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    Inflorescence solitary, sessile at soil-surface; peduncle 1 cm. long or less, 0.3 cm. in diameter, subterranean, subtended by 3–5 ovate-oblong cataphylls 0.3–2 cm. long.

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    Leaf solitary on each shoot, subtended by linear cataphyll ± reaching middle of petiole; petiole terete, 6.5–10 cm. long, 1–1.5 mm. in diameter, erect to spreading, green; pulvinus basal, oblong, 1–1.5 cm. long, 0.4 cm. in diameter; blade bipinnately compound, cordate-sagittate in outline, 10–11 cm. long, 9–10 cm. broad; pinnae opposite, pinnately lobed; ultimate lobes linear-lanceolate to oblanceolate-elliptic, 1–7.5 cm. long, 0.2–2 cm. broad, acute to subacute, cuneate, decurrent, green, slightly paler beneath.

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    Spadix 2–3.7 cm. long, slightly shorter than spathe; staminate part cylindric to clavate, 1.2–2.2 cm. long, 0.5–0.6 cm. in diameter, apex rounded, base narrowing, with tepals cream, pistillodes white, equalling tepals; sterile part centrally constricted, 0.5–1.2 cm. long, 0.3–0.5 cm. in diameter, tepals greenish cream, pistillodes prominent; pistillate part conic, 0.4–0.6 cm. long, 0.7–0.9 cm. in diameter, tepals pinkish brown.

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    • Source: [
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    Spathe 3–4.5 cm. long; tube broadly and shortly ovoid, constricted at apex, 0.6–1 cm. long, 0.7–1 cm. in diameter, pale pinkish brown on outer surface; limb ovate to lanceolate, 2–3.5 cm. long, 1.7 cm. broad, cuspidate, spreading to reflexed when anthers dehisce, pale pinkish brown with whitish margins.

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
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     Information From

    Araceae
    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
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C 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
    • D 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.
    • E See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use