1. Family: Orchidaceae Juss.
    1. Genus: Paphiopedilum Pfitzer
      1. Paphiopedilum gratrixianum Rolfe

        This species is accepted, and its native range is S. China to N. Indo-China.

    [C-EM]
    Distribution

    Laos and Vietnam.

    General Description

    A terrestrial herb often forming clumps. Leaves suberect, 4–7, linear, acute at minutely trilobulate apex, up to 30 cm long, 2–2.3 cm wide, green, spotted with purple on underside towards base. Inflorescence 1-flowered; peduncle erect, up to 25 cm long, green, covered with purple hairs; bracts narrowly oblong-lanceolate to obovate, acute to obtuse, 3–4.5 cm long, 1.2–1.2 cm wide, green, spotted with purple, glabrous. Flower 7–8 cm across; dorsal sepal white above, pale green below, heavily spotted with purple in basal two-thirds; synsepal pale green; petals glossy, yellow, flushed and veined purplish brown; lip yellow flushed brown; staminode yellow; pedicel and ovary triangular in cross-section, 4–5.5 cm long, pale green, covered with short purple hairs. Dorsal sepal ovate to obovate, obtuse, 4.8–5.2 cm long, 4.4–4.6 cm wide, shortly purple-pubescent on outside. Synsepal ovate-elliptic, acute, 3.5–5 cm long, 2.5 cm wide, purple pubescent on outside. Petals spathulate, obtuse, 4.5–5.2 cm long, 1.8–2.5 cm wide, minutely ciliate, side margins reflexed. Lip tapering to apex, 4–4.2 cm long, 2.4–2.8 cm wide. Staminode obcordate, 11 mm long and wide, pustular, purple-hairy in basal half, with a central raised knob. 2n = 26.

    Images

    Distribution

    Native to:

    Cambodia, China South-Central, China Southeast, Laos, Thailand, Vietnam

    Paphiopedilum gratrixianum Rolfe appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    51800.000
    Laos 51819.000
    China 63773.000
    Fowlie, J.A. [K 1396], Laos 22481.000
    Wood, M.W., Laos 47835.000
    Micholitz, W. [s.n.], Laos K000078054 holotype
    Micholitz, W. [s.n.], Laos K000078055 holotype
    Micholitz, W. [s.n.], Laos K000078057 holotype
    s.coll. [s.n.], Laos K000078056 holotype

    First published in Orchid Rev. 13: 63 (1905)

    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

    Cypripedioideae: e-monocot.org
    • Masters, M.T. Original description of Paphiopedilum gratrixianum. 13, (1905).

    Sources

    Cypripedioideae: e-monocot.org
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