1. Family: Orchidaceae Juss.
    1. Genus: Paphiopedilum Pfitzer
      1. Paphiopedilum dayanum (Lindl.) Stein

        This species is accepted, and its native range is Borneo (Sabah).

    [C-EM]
    Distribution

    Borneo, Sabah only; 300–1450 m altitude.

    General Description

    A terrestrial herb with one to several clustered growths. Leaves 4–6, oblonglanceolate, obtuse and minutely bidenticulate at apex, up to 21 cm long, 5 cm wide, margins towards apex minutely serrate, tessellated dark and light yellow- or bluish-green. Inflorescence 1-flowered; peduncle 20–34 cm long, maroon, densely purple-pubescent; bract lanceolate, acute, up to 2.5 cm long, pale green, pubescent. Flowers up to 15.6 cm across, sepals white veined green, petals purplish, lip deep maroon and staminode green with darker veins; ovary up to 7 cm long, dull green, pubescent. Dorsal sepal ovate, acuminate, 5–6 cm long, 3–3.8 cm wide, ciliate. Synsepal ovate, acute, 4.5–5 cm long, 2 cm wide. Petals oblanceolate-spathulate, obtuse to acute, up to 7–8.5 1.5–1.8 cm, purple-ciliate. Lip 5–6.6 cm long, 2–2.9 cm wide, with a ciliate apical margin; side-lobes incurved, warted. Staminode transversely ellipticreniform, shortly apiculate, 6–8 mm long, 13 mm wide. 2n = 34, 36.

    Images

    Distribution

    Paphiopedilum dayanum (Lindl.) Stein appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 4, 1984 Borneo K000363772
    Jan 4, 1984 s.coll. [s.n.], USA K000363773
    19506.000
    46361.000
    Malaysia K000078108
    Lamb, A. [K4] 46323.000

    First published in Orchid.-Buch: 464 (1892)

    Accepted by

    • Koopowitz, H. (2012). An updated, annotated checklist of the genus Paphiopedilum Orchid Digest 76: 178-215.
    • Wood, J.J., Beaman, T.E., Lamb, A., Lun, C.C. & Beaman, J.H. (2011). The Orchids of Mount Kinabalu 2: 1-726. Natural history publications (Borneo), Kota Kinabalu, Malaysia.
    • Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Wood, J.J., Beaman, T.E., Lamb, A., Lun, C.C. & Beaman, J.H. (2011). The Orchids of Mount Kinabalu 2: 1-726. Natural history publications (Borneo), Kota Kinabalu, Malaysia.
    Cypripedioideae: e-monocot.org
    • Lindley, J. Original description of Paphiopedilum dayanum. (1892).

    Sources

    Cypripedioideae: e-monocot.org
    All Rights Reserved

    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 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