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  1. Family: Orchidaceae Juss.
    1. Genus: Disa P.J.Bergius
      1. Disa polygonoides Lindl.

        This species is accepted, and its native range is S. Mozambique to S. Africa.

    [FZ]

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

    Habit
    Terrestrial herb with separate fertile and sterile shoots, perennating by testicular tubers.
    Shoots
    Sterile shoots rare, produce 3–4 semi-erect leaves c. 25 cm long, linear to lorate, acute. Fertile shoots 15–70 cm long; cauline leaves imbricate, few if sterile shoots are present, numerous if not, largest at the base of the shoot, to 25 cm long, linear to narrowly lanceolate, acute.
    Sterile
    Sterile shoots rare, produce 3–4 semi-erect leaves c. 25 cm long, linear to lorate, acute.
    Fertile
    Fertile shoots 15–70 cm long; cauline leaves imbricate, few if sterile shoots are present, numerous if not, largest at the base of the shoot, to 25 cm long, linear to narrowly lanceolate, acute.
    Inflorescences
    Inflorescence dense, 3–17 cm long, cylindrical, 80–100-flowered.
    Bracts
    Floral bracts narrowly ovate, acute to subacuminate, as tall as the flowers with the apices reflexed.
    Flowers
    Flowers brick-red, rarely orange.
    Spur
    Spur pendent from just above the base of the galea, reaching to below the base of the galea, 1.5–3.3–4.5 mm long, cylindrical.
    Calyx
    Lateral sepals 6–7 mm long, narrowly oblong, acute. Dorsal sepal forming an erect galea, 5–7 mm long, 3–4 mm wide and c. 1 mm deep, elliptic to subobovate, obtuse.
    Corolla
    Petals 4–6 mm long, narrowly obovate, acute.
    Labellum
    Lip c. 6 mm long, lorate to linear, rounded.
    Rostellum
    Rostellum simple.
    Anthers
    Anther erect, c. 3.5 mm long.
    Stigma
    Stigma with well developed lateral lobes.
    Ovary
    Ovary 5–10 mm long.

    Images

    Distribution

    Native to:

    Cape Provinces, KwaZulu-Natal, Mozambique, Northern Provinces, Swaziland

    Synonyms

    Other Data

    Disa polygonoides Lindl. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Ball, J.S. [572], Zimbabwe 9420.000

    Bibliography

    First published in Gen. Sp. Orchid. Pl.: 349 (1838)

    Accepted by

    • Johnson, S. & Bytebier, B. (2015). Orchids of South Africa. A field guide: 1-536. Struik nature, Cape Town, South Africa.
    • Liltved, W.R. & Johnson, S.D. (2012). The Cape orchids. A regional monograph of the orchids of the Cape floristic region 2: 485-1022. Sandstone editions, Cape Town.
    • Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Sources

    Art and Illustrations in Digifolia
    Digital Image © Board of Trustees, RBG Kew

    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