1. Family: Orchidaceae Juss.
    1. Tridactyle Schltr.

      1. This genus is accepted, and its native range is Tropical & S. Africa.

    [FZ]

    Orchidaceae, I. la Croix & P.J. Cribb. Flora Zambesiaca 11:2. 1998

    Habit
    Epiphytic or lithophytic monopodial herbs.
    Stem
    Stem long or short, branched or unbranched, erect or pendent, covered with sheathing leaf bases.
    Leaves
    Leaves distichous, usually linear, elliptic or oblong, often twisted at the base to lie in one plane, unequally 2-lobed at the apex, articulated to sheathing leaf bases.
    Inflorescences
    Inflorescences arising opposite the leaves, through leaf sheaths, 2–many-flowered.
    Peduncles
    Peduncle usually short; bracts sheathing.
    Flowers
    Flowers usually small, white, yellow, buff-orange or green.
    Calyx
    Sepals and petals similar, free, usually spreading.
    Labellum
    Lip entire or 3-lobed with basal auricles, spurred at base.
    Column
    Column short, fleshy, without a foot; pollinia 2; stipes 1, entire or Y-shaped; viscidium 1, circular or elliptic, usually small; rostellum long, slender, tapering to the apex.
    [FTEA]

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

    Habit
    Epiphytic monopodial herbs with short to long unbranched or little branched, erect to pendent stems, covered by sheathing leaf-bases
    Leaves
    Leaves thin-textured or fleshy, all along stem, distichous, usually twisted at base to lie in one plane, linear to elliptic or narrowly lanceolate, unequally bilobed at apex, articulated at base to a sheathing leaf-base
    Inflorescences
    Inflorescences emerging through the leaf-sheaths opposite the leaves, 2–many-flowered; peduncle usually short; rhachis often zig-zag; bracts amplexicaul
    Flowers
    Flowers usually rather small and seldom showy, white, yellow, orange or green, usually scented; pedicel and ovary short, often lepidote
    Perianth
    Sepals and petals subsimilar, free, spreading
    Labellum
    Lip entire to 3-lobed, auriculate at base, with a short to long spur at the base
    Column
    Column short, fleshy, lacking a foot; anther-cap thin-textured, smooth or papillate; pollinia 2; stipes 1, entire or Y-shaped; viscidium circular or elliptic, usually rather small; rostellum elongate, tapering to apex, slender.

    Images

    Distribution

    Native to:

    Angola, Burundi, Cameroon, Cape Provinces, Central African Repu, Congo, Equatorial Guinea, Ethiopia, Gabon, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., Ivory Coast, Kenya, KwaZulu-Natal, Liberia, Malawi, Mozambique, Nigeria, Northern Provinces, Rwanda, Sierra Leone, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

    Tridactyle Schltr. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Feb 1, 2017 Bullock, A.A. [2103], Zambia 10694.000
    Feb 1, 2017 Williamson, G. [588], Zambia 33725.000
    Feb 1, 2017 Williamson, G. [29], Zambia 33726.000
    Feb 1, 2017 Meyer, H. [162], Uganda 53420.000
    Jan 1, 2017 Wild, H. [SRGH 20361], Zimbabwe 30916.000
    Zimbabwe 30833.000
    Zimbabwe 31036.000
    Zimbabwe 31245.000
    Zimbabwe 31254.000
    Holmes, W.D. [0163], Zambia 36814.000
    Holmes, W.D. [368], Zambia 75896.000
    Drummond, R.B. [6357], Zambia 15247.000
    Moreau [739], Tanzania 32847.000
    Hughes, J. [s.n.], Kenya 10674.000
    Hepper, F.N. [5052], Tanzania 34375.000
    Williamson, G. [284], Zambia 34026.000
    Lucas, G.Ll. [176], Kenya 31033.000
    Morze, G. [123], Mozambique 31747.000
    Protzen, G.A., Kenya 42742.000
    Groves, M. [123], Cameroon 76144.000

    First published in Orchideen Beschreib. Kult. Zücht.: 602 (1914)

    Accepted by

    • Pridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N. (2014). Genera Orchidacearum 6: 1-544. Oxford University Press, New York, Oxford.
    • 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
    • Die Orchid. 601 (1914).
    Flora Zambesiaca
    • Summerhayes in Kew Bull. 3: 282 (1948).
    • in Beih. Bot. Centralbl. 36, abt. 2: 142 (1918).
    • Die Orchideen: 601 (1914)
    Flora of Tropical East Africa
    • Summerh. in K.B. 3: 282 (1948)
    • in Beih. Bot. Centr. 36: 142 (1918)
    • Die Orchideen: 601 (1914)

    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.

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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