1. Family: Orchidaceae Juss.
    1. Genus: Paphiopedilum Pfitzer
      1. Paphiopedilum hangianum Perner & O.Gruss

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

    [C-EM]
    Distribution

    S Yunnan (Jinping) and N Vietnam.

    General Description

    Plants lithophytic. Leaves 4-6, distichous, spreading horizontally; blade abaxially pale green and carinate, adaxially uniformly deep green and glossy, narrowly oblong, 12-28 × 3.5-5.9 cm, leathery, basal margin purple ciliate, apex obtuse. Scape suberect or slightly arching, terminating in a solitary flower; peduncle yellowish green with purple speckles, 8-20 cm, densely white pubescent; floral bract yellowish green with purplish speckles, ovate-elliptic, conduplicate, 4.5-6 cm, abaxially puberulent, ciliate; pedicel and ovary green with purplish speckles, 3-4.5 cm, densely puberulent. Flower scented, 11-14 cm in diam., yellowish, obscurely with greenish reticulate veins, flushed with purple toward base of petals, with dense purple spots at inner bottom of lip and many purple irregular transverse stripes or net on adaxial surface of staminode. Dorsal sepal suberect to curving forward over lip, broadly ovate-elliptic or elliptic, 4.8-6.2 × 3-4.6 cm, both surfaces puberulent, abaxially carinate, minutely ciliate, acute at apex; synsepal broadly elliptic, 4.8-6.4 × 3.6-5.7 cm, both surfaces puberulent, minutely ciliate, obtuse and slightly bilobulate at apex. Petals broadly obovate-elliptic, slightly oblique, 5.5-7.3 × 3.5-6.4 cm, both surfaces puberulent, adaxially densely white villous toward base, minutely ciliate; lip subglobose, 4-5 × ca. 3.4 cm, outside glabrous, apical margin involute. Staminode broadly obovate-triangular, 1.6-2.1 × 1.8-2.2 cm, abruptly narrowed at base into a claw, obtuse-rounded at apex.

    Habitat

    Very wet but well-drained rocky places or crevices of rocks, usually behind waterfalls; 600-800 m.

    Distribution

    Native to:

    China South-Central, Vietnam

    Paphiopedilum hangianum Perner & O.Gruss appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Vietnam 71295.000

    First published in Orchidee (Hamburg), Suppl. 6: 5 (1999)

    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.
    • 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.
    Cypripedioideae: e-monocot.org
    • Perner, H. & Gruss, O. Original description of Paphiopedilum hangianum. 6, (1999).
    • Zhongjian, L., Xinqi, C. & Cribb, P.J. Paphiopedilum Pfitzer, Morph. Stud. Orchideenbl. 11. 1886, nom. cons. Flora of China 25 (Orchidaceae), 33-44 (2009).

    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