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  1. Family: Orchidaceae Juss.
    1. Genus: Disa P.J.Bergius
      1. Disa equestris Rchb.f.

        This species is accepted, and its native range is Tropical Africa.

    [FZ]

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

    Habit
    Terrestrial herb perennating by testicular tubers. Plants erect, 35–60 cm tall.
    Leaves
    Cauline leaves imbricate, grading into the floral bracts, sheathing at the base; free blades up to 15 cm long, lanceolate to narrowly lanceolate, acute to acuminate.
    Inflorescences
    Inflorescence lax, 8–20 cm long, 10–40-flowered.
    Bracts
    Floral bracts green to somewhat papery, ovate, acute to subacuminate, variable in length but usually shorter than the ovaries.
    Flowers
    Flowers violet to purple, rarely the lip or the flowers whitish.
    Calyx
    Dorsal sepal rotund, apiculate; galea 6–8 mm long, 5–8(10) mm wide and 3–4(6) mm deep. Lateral sepals 6–8 mm long, oblong, rarely ovate to obovate, rounded, apiculi blunt.
    Spur
    Spur straight with the apex often upcurved, 6–8 mm long, subconic or cylindric to usually somewhat laterally compressed, apex subclavate.
    Corolla
    Petals 4.5 × c. 1.5 mm, falcate, truncate.
    Labellum
    Lip 4.5–6 mm long, oblong, rounded, upper surface convex and papillate.
    Rostellum
    Rostellum attached to the petal by a keel.
    Anthers
    Anther c. 3 mm long.
    Stigma
    Stigma almost horizontal and square.
    Ovary
    Ovary (8)10–13(15) mm long.
    [FWTA]

    Orchidaceae, V. S. Summerhayes. Flora of West Tropical Africa 3:1. 1968

    Habit
    A slender terrestrial herb 1-2 ft. high
    Inflorescences
    A rather lax inflorescence of small purple flowers.

    Images

    Distribution

    Native to:

    Angola, Burundi, Cameroon, Central African Repu, Congo, Malawi, Mozambique, Nigeria, Tanzania, Zambia, Zaïre, Zimbabwe

    Synonyms

    Other Data

    Disa equestris Rchb.f. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2004 Pollard, B.J. [963], Cameroon 77355.000
    Jan 1, 1898 Welwitsch [717], Angola K000077532 isotype
    Milne-Redhead, E. [7961], Tanzania 9412.000
    Milne-Redhead, E. [3569], Zambia 9414.000
    Watermeyer, A.M. [213], Tanzania 18531.000
    Richards, H.M. [3788], Zambia 18529.000
    Bullock, A.A. [2091], Zambia 20905.000
    Richards, H.M. [17433], Zambia 24836.000
    Robinson, E.A. [4161], Zambia 9413.000
    Williamson, G. [637], Zambia 33155.000
    Williamson, G. [185], Zambia 33973.000
    King, D.E.S. [90], Nigeria 26402.000
    Fay, J.M. [7340], Central African Republic 49511.000
    Holmes [112] 77401.000
    Brunt, M.A. [260 a], Cameroon K000106535

    Bibliography

    First published in Flora 48: 181 (1865)

    Accepted by

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

    Literature

    Flora of West Tropical Africa

    • F.T.A. 7: 284.
    • in Flora 48: 181 (1865)

    Sources

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

    Flora of West Tropical Africa
    Flora of West Tropical Africa
    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