1. Family: Orchidaceae Juss.
    1. Genus: Paphiopedilum Pfitzer
      1. Paphiopedilum emersonii Koop. & P.J.Cribb

        This species is accepted, and its native range is China (S. Guizhou, Guangxi) to N. Vietnam.

    [C-EM]
    Distribution

    China (South-eastern Yunnan, Guangxi, Guizhou, and possibly Guangdong Provinces); 600–700 m elevation.

    General Description

    A terrestrial or lithophytic herb up to 18 cm tall. Leaves 4–6, coriaceous, ligulate, obtuse, up to 23 cm long, 3.7 cm wide, green, paler green and slightly keeled on lower surface. Inflorescence erect, 1- or rarely 2-flowered, subtended by a white, papery, basal, sterile sheath; peduncle 11.5 cm, 4 mm in diameter, cream-coloured, velvety white-pilose; bract elliptic, acute, conduplicate, 2.8 cm long, 2 cm wide, white, papery. Flower very large for size of plant, 8.5–10.8 cm across, subcampanulate or spreading; sepals rather thick-textured, white; petals white, faintly flushed pink at base, similar in texture to petals; lip creamy with a pink flush around the rim, spotted with deep purple within, turning yellow with age; staminode bright yellow with reddish markings; pedicel and ovary 3 cm long, pale yellowish white, velvety-pilose. Dorsal sepal hooded, curving forward over lip, recurved on lateral margins, elliptic-ovate, obtuse, 4–5.1 cm long, 3.2–3.9 cm wide, pubescent on both surface, keeled on outer side. Synsepal elliptic-subcircular, obtuse, 3.5–4.6 cm long, 3.5–4.2 cm wide, pubescent on both surfaces, keeled on outer side. Petals incurved or spreading, broadly elliptic to subcircular, obtuse to rounded at apex, 4.5–5.4 cm long, 4–6 cm wide, finely pubescent on both sides, villose at base, lateral margins sometimes recurved. Lip subporrect, deeply urceolate, 3.5–5.2 cm long, 3 cm wide, flared at base, with apical margin incurved and grooved along veins. Column short. Staminode convex, trullate, truncate, 20 mm long, 10 mm wide, deeply longitudinally sulcate with groove dilating towards apex; stigma spathulate, very shortly papillose; anthers two, with dry pollen.

    Distribution

    Native to:

    China South-Central, China Southeast, Vietnam

    Paphiopedilum emersonii Koop. & P.J.Cribb appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    China 51397.000
    China 57270.000
    62858.000
    72738.000
    Charles, E. 50432.000 Unknown type material
    Charles, E. 'Doc' [s.n.], China K000078026 holotype
    Charles, E. 'Doc' [s.n.], China K000078027

    First published in Orchid Advocate 12: 86 (1986)

    Accepted by

    • Koopowitz, H. (2012). An updated, annotated checklist of the genus Paphiopedilum Orchid Digest 76: 178-215.
    • Wu, Z. & Hong, D. (eds.) (2009). Flora of China 25: 1-570. Missouri Botanical Garden Press, St. Louis.
    • Averyanov, L. (2008). The orchids of Vietnam illustrated survey part 1 Subfamilies Apostasioideae, Cyprioedioideae and Spiranthoideae Turczaninowia 11(1): 5-168.
    • Averyanov, L.V. & Averyanova, A.L. (2003). Updated Checklist of the Orchids of Vietnam: 1-101. Vietnam National University Publishing House, Hanoi.
    • 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
    • Wu, Z. & Hong, D. (eds.) (2009). Flora of China 25: 1-570. Missouri Botanical Garden Press, St. Louis.
    • Averyanov, L.V. & Averyanova, A.L. (2003). Updated Checklist of the Orchids of Vietnam: 1-101. Vietnam National University Publishing House, Hanoi.
    Cypripedioideae: e-monocot.org
    • Koopowitz, H. & Cribb, P.J. Original description of Paphiopedilum emersonii. 12, (1986).

    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.

    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