Costus lucanusianus J.Braun & K.Schum.
  • Ber. Deutsch. Schutzgeb.


This taxon is accepted by Costaceae
Notes: More details could be found in The Plant List v.1.1. Originally in The Plant List v.1.0

Morphology

Leaves spirally arranged

  • Provided by: [C].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    A terminal inflorescence

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    • Source: [
    • 1
    • ]. 

    A tall herb, stems 6-10 ft. high;

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    • 1
    • ]. 

    Flowers with a red lobe

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    • 1
    • ]. 

    Perennial herb with erect leafy stems 1.5-3 m. tall.

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    • Source: [
    • 13
    • ]. 

    Leaves elliptic, 21-24 × 4.5-6 cm., apex acuminate, narrowed below to the rounded or subcordate base, appressed pubescent beneath, otherwise glabrous; petiole 5-9 mm. long; ligule coriaceous, 1.5-3 mm. long, with a raised coriaceous ridge, with a ciliate margin, surrounding the stem at the ligule-base; sheaths smooth, glabrous, slightly striate when dry, green, often with dark red markings when alive.

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    • 13
    • ]. 

    Inflorescences (?always) terminal on the leafy shoots; floral bracts oblong, rounded at the apex, ± 2.5 × 1 cm., green, with basal purple markings, each subtending 2 fully developed flowers; bracteoles boat-shaped, keeled, coriaceous, pale green, the larger to 2 × 1 cm., the smaller narrower, to 2 × 0.6 cm.

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    • 13
    • ]. 

    Corolla-tube ± 2 cm. long, hairy inside; petals white, semi-transparent, oblong, 2.5-2.6 cm. long, acute and hooded at the apex, narrowing to the base; labellum broadly triangular, funnel-shaped, ± 3 cm. long and wide, dark red towards the margin, with a central yellow streak which does not extend into the tube.

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    • Source: [
    • 13
    • ]. 

    Calyx tubular, green, exceeding the bracts, 2.2-3 cm. long, with 3 acute often recurved teeth 5-6 mm. long with narrow scarious pubescent margins.

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    • Source: [
    • 13
    • ]. 

    Mature fruits and seeds not seen.

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    • Source: [
    • 13
    • ]. 

    Stamen narrowly triangular, tinged red at the tip, ± 2.5 × 1 cm.; anthers 8-10 mm. long.

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
    • 13
    • ]. 

    Fig. 1/1,2, p. 5.

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    • Source: [
    • 13
    • ]. 

    Ecology

    In forest.

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    • Source: [
    • 1
    • ]. 

      Bibliography

     Information From

    Costaceae
    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).