Skip to main content
  1. Family: Orchidaceae Juss.
    1. Genus: Disa P.J.Bergius
      1. Disa zombica N.E.Br.

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

    [FTEA]

    Orchidaceae, V. S. Summerhayes. Flora of Tropical East Africa. 1968

    Habit
    A terrestrial herb 2.5–5.5 dm. high, glabrous except for the roots.
    Tubers
    Tubers elongate-ellipsoid or elongate-ovoid, 2–6 cm. long, 1–2 cm. in diameter, ± densely but shortly tomentose.
    Roots
    Roots slender, flexuous, pubescent.
    Stem
    Flowering stems erect, rather stout, almost entirely covered by sheathing leaves, terete; leaves 9–13, the lowermost short, sheath-like, red-spotted, the remainder adpressed to the stem, lanceolate, acute, the largest 5–12 cm. long, 1–2 cm. broad, the uppermost similar to the bracts. Sterile stems to 11 cm. long, with several overlapping red-spotted sheaths in the lower part and 1–3 leaves at the apex; leaves narrowly lanceolate, acute, 12–25 cm. long, 1–2 cm. broad.
    Inflorescences
    Inflorescence 9–16 cm. long, 4–6 cm. in diameter, densely 12–30-flowered.
    Bracts
    Bracts leafy, lanceolate, acuminate, 2.5–6 cm. long, mostly longer than the flowers.
    Flowers
    Flowers suberect, greenish-yellow or flesh-coloured, spotted or streaked with purple, the petals and lip ± magenta, malodorous; pedicel with ovary straight, 1.5–2 cm. long.
    Calyx
    Dorsal sepal erect, with a narrower lower part 6–10 mm. long and a broadly ovate or elliptical blade which is spurred in the middle, altogether 14–18 mm. long, the blade ± 7 mm. broad, the spur pendent, 5–7 mm. long, slightly swollen in the distal part; laterals spreading upwards, obliquely oblong, obtuse or rounded, ± the same length as the dorsal, 5–7 mm. broad.
    Corolla
    Petals erect, spathulate or oblanceolate with a broad ear-like basal part ± 5 mm. long and 4 mm. broad, total length 14–18 mm., 1.5–3.5 mm. broad towards the apex.
    Labellum
    Lip pendulous, linear, 13–16 mm. long, 1–2 mm. broad.
    Anthers
    Anther erect, 6 mm. high, shortly stalked.
    Stigma
    Stigma almost orbicular, 3 mm. in diameter.
    Habitat
    Upland grassland; 1000–2100 m.
    Distribution
    T4 T7
    [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 shoot up to 6 cm long; leaves 2–3, conduplicate, erect, 6–20 × 8–20 cm, linear-elliptic, acute or apiculate. Fertile shoot 20–60 cm tall; cauline leaves imbricate, 4–6(13) cm long, ovate-lanceolate, acute, sheathing with the apical half often free; basal leaves shorter, red-spotted or barred.
    Sterile
    Sterile shoot up to 6 cm long; leaves 2–3, conduplicate, erect, 6–20 × 8–20 cm, linear-elliptic, acute or apiculate.
    Fertile
    Fertile shoot 20–60 cm tall; cauline leaves imbricate, 4–6(13) cm long, ovate-lanceolate, acute, sheathing with the apical half often free; basal leaves shorter, red-spotted or barred.
    Inflorescences
    Inflorescence usually dense, 9–16 cm long, 10–25-flowered.
    Bracts
    Floral bracts 3.5–4.5 cm long, lanceolate-ovate, acute to acuminate, much overtopping the flowers.
    Flowers
    Flowers with grey-green lateral sepals and magenta to purple petals and dorsal sepal.
    Calyx
    Dorsal sepal 14–21 mm long, spathulate; claw 7–11 mm long and c. 3 mm wide, erect, canaliculate; blade 7–11 × 5–10 mm, ovate, obtuse, galeate, ± facing down. Lateral sepals 14–18 mm long, obliquelyoblong, subacute.
    Spur
    Spur pendent from a small hump near the base of the blade, not reaching the base of the dorsal sepal, 4–7 mm long, subclavate to clavate.
    Corolla
    Petals 2-lobed; anterior lobe 4–7 × 3–5 mm, ovate, flanking the anther, spreading; posterior lobes 12–18 × 2–3 mm, oblanceolate, acute to subacute, erect inside the galea, the lobes partially overlapping.
    Labellum
    Lip pendent, 13–17 mm long, linear.
    Rostellum
    Rostellum c. 3 mm tall.
    Anthers
    Anther erect, 4–5 mm long.
    Ovary
    Ovary 1–1.5 cm long.

    Images

    Distribution

    Native to:

    Burundi, Malawi, Mozambique, Tanzania, Zambia, Zaïre, Zimbabwe

    Synonyms

    Other Data

    Disa zombica N.E.Br. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Ball, J.S. [629], Zimbabwe 3010.000
    Ball, J.S. [534], Mozambique 3011.000
    Williamson, G. [295], Zambia 1800.049
    Stolz, A. [2486] K000077514 Unknown type material
    Stolz, A. [2486] K000077515 Unknown type material
    Schaijes, M. [2333], Congo, DRC 52358.000
    Boswell, L., Tanzania 48019.000
    Buchanan [305], Malawi K000077516 holotype

    Bibliography

    First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 7: 278 (1898)

    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 Tropical East Africa

    • Summerh. in Kew Bulletin 4: 432 (1949).
    • N.E. Br. in Flora of Tropical Africa 7: 278 (1898).

    Sources

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

    Flora of Tropical East Africa
    Flora of Tropical East 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