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  1. Family: Orchidaceae Juss.
    1. Genus: Disa P.J.Bergius
      1. Disa katangensis De Wild.

        This species is accepted, and its native range is S. DR Congo to Angola.

    [FZ]

    Orchidaceae, I. la Croix and P.J. Cribb. Flora Zambesiaca 11:1. 1995

    Habit
    Terrestrial herb with separate fertile and sterile shoots.
    Shoots
    Sterile shoots 2–3-leaved; leaves up to 22 × 1 cm, linear, acute, erect. Fertile shoots 40–60 cm tall; cauline leaves imbricate, 4–8 cm long and 12–18 mm wide, sheathing, apices free; basal leaves reduced to sheaths.
    Sterile
    Sterile shoots 2–3-leaved; leaves up to 22 × 1 cm, linear, acute, erect.
    Fertile
    Fertile shoots 40–60 cm tall; cauline leaves imbricate, 4–8 cm long and 12–18 mm wide, sheathing, apices free; basal leaves reduced to sheaths.
    Inflorescences
    Inflorescence lax, 8–16 cm long, 2–8-flowered.
    Bracts
    Floral bracts 5–7 cm long, lanceolate, long-acuminate, the apical part rolled, overtopping the flowers.
    Flowers
    Flowers red, pink or scarlet, the galea with darker spots.
    Calyx
    Dorsal sepal spathulate; claw 16–17 × 3–4 mm, erect, canaliculate; blade 13–20 mm long, ovate, subcordate, obtuse, galea c. 8 mm deep, curved forwards. Lateral sepals 21–36 mm long, obliquely oblong, subobtuse to acute.
    Spur
    Spur pendent from a ridge below the middle of the dorsal sepal, 13–16 mm long, filiform to rarely subclavate.
    Corolla
    Petals 2-lobed; anterior lobe 9–15 mm tall, ovate, flanking the anther, spreading, the margins incurved; posterior lobes 22–30 mm long, linear, parallel at the base, then diverging through an S-curve.
    Labellum
    Lip pendent, 14–22 mm long, linear.
    Anthers
    Anther erect, 6–9mm tall; connective longer than the cells.
    Stigma
    Stigma 3–4 mm in diameter.
    Ovary
    Ovary c. 2 cm long.

    Distribution

    Native to:

    Angola, Zambia, Zaïre

    Synonyms

    Other Data

    Disa katangensis De Wild. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Feb 20, 1978 Williamson, G. [413], Zambia K000453953
    Feb 20, 1978 Williamson, G. [413], Zambia K000453954
    Feb 20, 1978 Williamson, G. [1486], Zambia K000453955
    Feb 20, 1978 Williamson, G. [413], Zambia K000453956
    Feb 20, 1978 Williamson, G. [413], Zambia K000453957
    Milne-Redhead, E. [4321], Zambia 20908.000
    Fanshawe, D.B. [1940], Zambia 20907.000
    Fanshawe, D.B. [1940], Zambia K000453951
    Fanshawe, D.B. [1940], Zambia K000453952
    Milne-Redhead, E. [4321], Zambia K000453947
    Holmes [8], Zambia 77402.000
    Schaijes, M. [2222], Congo, DRC 48953.000
    Schaijes, M. [2222], Congo, DRC K000453949
    Malaisse, F. [4860], Congo, DRC K000453950
    Shantz, H.L. [544], Congo, DRC K000453958
    [Waiks], [J.M.] [96], Zambia K000453959

    Bibliography

    First published in Ann. Mus. Congo Belge, Bot., sér. 4, 1: 25 (1902)

    Accepted by

    • Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0