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Plants of Taiwan

  • Acanthephippium sylhetense Lindl.
    台灣罈花蘭    

    形態特徵

    TYPE! <em>Acanthephippium sylhetense</em> Lindl.

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    相關連結

    作者

    SU, Horng-Jye

    形態特徵

    • Pseudobulbs elongate ovoid to clavate, 7-15 cm long, 2.5-4 cm thick at base, tapering upwards, nodes 2-3, enclosed by triangular membranaceous scales.
    • Leaves (2-)3 or 4, oblong, 30-40 cm long, 8-10 cm wide, mainly 9-nerved, apex acuminate, base decurrent into short petiole. Scape arising with new growth, 15-20 cm long, with 3 or 4 lanceolate scales below; bracts ovate or oblong, concave, 2.5-3 cm long, embracing pedicel; pedicel and ovary 4 cm long.
    • Flowers 3-5, yellowish white, 4-4, 5 cm long; sepals with minute purple spots near inside apex, cohering into a tube, dorsal one elliptic, 3 cm long, 1.5 cm wide, apex rounded, lateral ones falcate-oblong, 4 cm long, 2 cm wide, mentum 2.5 cm long; petals spatulate, 2.5 cm long, apex obtuse, base strongly contracted; lip adnate to foot of column, long clawed, claw elongate rectangular, 2.2 cm long, blade 3-lobed, lateral lobes oblong, erect, central lobe ligulate, fleshy, obtuse at apex, disc with 3-5 ridges near base; column 1.3 cm long, foot 1.8 cm long.
    • Chromosome number: A somatic chromosome count of 2n = 48 for a plant collected from Wulai, Taipei Hsien, Taiwan.

    物候

    Flowering season: June to July.

    分布

    World: The Ryukyus, the Philippines, Thailand and the Himalaya.
    Taiwan: In forests at low elevations in mountainous regions and on Lanyu Is.

    引證標本

    TAIPEI: Wulai, Su s. n. Aug 1969; Huangdietien, Su 659. PINGTUNG: Nanjenshan, Chen 244. TAITUNG: Lanyu Is., Fukuyama s. n. Jul 1934; Chen 594.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 739.
    Shih-Wen Chung, Tien-Chuan Hsu, Ling-Ya Hung and Chih-Kai Yang. 2005. The Genus of Acanthephippium Blume (Orchidaceae) in Taiwan. Taiwania. 50(3): 204.

    本種於 1971 年由 Nackejima 在台灣記錄到後,目前已有 3 種學名、 5 種中文名及 1 種其他語言俗名曾在台灣被使用。

    本種共有 3 份 典藏標本

    <em>Acanthephippium sylhetense</em> Lindl.台灣罈花蘭