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  1. Family: Orchidaceae Juss.
    1. Genus: Disa P.J.Bergius
      1. Disa cornuta (L.) Sw.

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

    [FZ]

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

    Habit
    Terrestrial herb up to 1 m tall, perennating by tubers.
    Leaves
    Leaves densely imbricate, lanceolate to narrowly ovate, acute to acuminate, shortly sheathing at the base.
    Inflorescences
    Inflorescence imbricate, robust, 15–40 cm long; flowers numerous.
    Bracts
    Floral bracts lanceolate, acuminate, as tall as or overtopping the flowers.
    Flowers
    Flowers facing down, galea more or less purple on the outside, lateral sepals and inside of galea greenish silvery-white, lip and petals greenish, lip often with a large purple base, colours generally variable.
    Calyx
    Dorsal sepal deeply galeate, apiculate; galea 12–18 mm tall, 8–12 mm deep. Lateral sepals patent, 12–16 mm long, narrowly to broadly oblong, obtuse to acute.
    Spur
    Spur from a horizontal conical base, gently or rarely sharply decurved, 1–2 cm long, cylindric, emarginate.
    Corolla
    Petals 8–10 mm long, lorate, acute to acuminate, often with anther apical lobe which may be obscurely or distinctly 2-lobed, petals falcate with a 5 mm long basal anticous lobe flanking the stigma.
    Labellum
    Lip patent, 5–10 mm long, lorate to obovate, rounded, fleshy.
    Rostellum
    Rostellum lateral lobes erect, canaliculate, fused to the petals, central lobe a small fleshy body between the lateral lobe.
    Anthers
    Anther borne horizontally.
    Stigma
    Stigma horizontal, equally tripulvinate.
    Ovary
    Ovary 15–20 mm long, twisted.

    Images

    Distribution

    Native to:

    Cape Provinces, KwaZulu-Natal, Lesotho, Northern Provinces, Zimbabwe

    Synonyms

    Other Data

    Disa cornuta (L.) Sw. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1800 Harvey [244], South Africa K000077588 syntype
    Jan 1, 1800 MacOwan, P. [4330], South Africa K000077589 syntype
    South Africa 26834.000
    Hall, A.V. [738], South Africa 26844.000
    Chase, N.C. [3592], Zimbabwe 25267.000
    Hopkins, J.C. [18270], Zimbabwe 24696.000
    Schelpe, E.A.C., South Africa Disa macrantha 26842.000

    Bibliography

    First published in Kongl. Vetensk. Acad. Nya Handl. 21: 210 (1800)

    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

    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.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    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