1. Family: Orchidaceae Juss.
    1. Genus: Paphiopedilum Pfitzer
      1. Paphiopedilum dianthum Tang & F.T.Wang

        This species is accepted, and its native range is China (SE. Yunnan, SW. Guizhou, SW. Guangxi) to N. Indo-China.

    [C-EM]
    Distribution

    South-west China only (south-east Yunnan, south-west Guizhou & west Guangxi).

    Ecology

    On limestone cliffs in shade of mixed forest; 800–2250 m.

    General Description

    A lithophytic herb often forming clumps of up to 15 growths; roots elongate, redpubescent. Stems short, 4- to 6-leaved, often upcurving. Leaves coriaceous, 4–6, ligulate, obliquely obtuse at the apex, 20–50 cm long, 2–5 cm wide, dark green above, paler beneath. Inflorescence horizontally spreading to suberect, 2- to 5-flowered; peduncle terete, green, papillose below, glabrous above; bracts cucullate, elliptic, truncate, 1.2–3 cm long, green. Flowers very slightly papillose on outside of sepals; dorsal sepal white with a green base and venation; synsepal pale green or white with darker green veins; petals pale greenish yellow with darker veins in lower half, flushed with purplish brown above; lip yellow flushed with purple and brown; staminode off white with dark green venation; pedicel and ovary glabrous, green. Dorsal sepal obovate, shortly apiculate, 3.8–4.3 cm long, 2.2–2.5 cm wide, with reflexed basal margins, papillate at base on inner surface. Synsepal ovate, obtuse, 3.5–3.8 cm long, 2.3–2.6 cm wide, with reflexed basal margins and inflexed apical ones. Petals falcate-pendent, linear-tapering, rounded at apex, 8–9 cm long, 1–1.1 cm wide, basal part incurved over base of column, with a few raised warts on inner side towards the base and a few hairs on the margin but not ciliate, papillose on inner surface at base and at apex. Lip deeply saccate, pointed at apex, 4–4.5 cm long, 2–2.5 cm wide, with inflexed triangular side lobes. Column 1–1.2 cm long, with a pubescent stalk and blunt pubescent filaments; staminode obcordate, with a blunt basal umbo, bilobed at apex, 9–11 mm long, 6–7.5 mm wide, scarcely papillate on side margins.

    [C-EM]
    Distribution

    Described from China (Yunnan Province, Wen Shan District).

    General Description

    Pflanze: Krautige Pflanze mit 3 - 6 Blättern je Trieb. Blätter: lanzettlich, 35 - 40 cm lang und 5 - 5,5 cm breit, grün, Unterseite blasser zur Basis weißlich. lnfloreszenz: aufrecht bis überhängend mit einer Blüte, 40- 45 cm hoch, grün, sehr glänzend, Blüte: 10 cm breit und 8 cm hoch, Dorsales Sepalum: 5 cm lang und 2,5 cm breit, oval zugespitzt, rückseitig gekielt, hellgrün mit dunkleren grunen glänzenden Adern, Synsepalum: 4 cm lang und 2,5 cm breit, oval, ruckseitig gekielt, hellgrun mit dunleren grunen glanzenden Adern, Petalen: schmal lanzettlich, 6 cm lang und 1,3 cm breit, glänzend hell grünlichgelb mit grünen Adern und brünlichen Einfärbungen, schrag sichelartig herabgebogen, mit gewellten Rändern und schwarzen Härchen am unteren Rand und an der Basis. Lippe: länglich, umgekehrt helmförmig, ca. 4 cm lang und 2,5 cm breit, glänzend gelbgrün bis hell purpurnbraun. Staminodium: elliptisch bis oval herzformig mit deutlicher Einbuchtung, weiß, im Zentrum grün gefleckt.


    Herbaceous plant, with 3-6 leaves per shoot. Leaves lanceolate, 35-40 cm long and 5-5.5 cm wide, green, underside paler and whitish towards the base. Inflorescence erect to pendant with a solitary flower, 40-45 cm high, green, very glossy. Flower 10 cm wide and 8 cm high. Dorsal sepal 5 cm long and 2.5 cm wide, pointed oval, dorsally keeled, light green with darker green glossy veins. Synsepal 4 cm long and 2.5 cm wide, oval, dorsally keeled, light green with darker green veins. Petals narrowly lanceolate, 6 cm long and 1.3 cm wide, glossy light greenish-yellow with green veins and brownish markings, obliquely falcate-pendant, with undulate margins and black indumentum on the lower margin and at the base. Lip oblong, inversely helmet-shaped, ca. 4 cm long, 2.5 cm wide, glossy yellow green to light purple brown. Staminode elliptic to oval heart-shaped with a distinct concavity, white, marked green in the middle. Translated by Odile Weber.

    Images

    Distribution

    Native to:

    China South-Central, China Southeast, Laos, Vietnam

    Paphiopedilum dianthum Tang & F.T.Wang appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    China 54290.000
    63869.000
    Henry, China 53896.000
    Woodin, C., China 59935.000
    Liu [83446], China K000078029

    First published in Bull. Fan Mem. Inst. Biol., Bot. 10: 24 (1940)

    Accepted by

    • Averyanov, L.V. & al. (2016). New and rare orchids (Orchidaceae) in the flora of Cambodia and Laos Turczaninowia 19: 5-58.
    • 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
    • Averyanov, L.V. & al. (2016). New and rare orchids (Orchidaceae) in the flora of Cambodia and Laos Turczaninowia 19: 5-58.
    • 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
    • Tang, T. & Wang, F.T. Original description of Paphiopedilum dianthum. 10, (1940).

    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

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