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Plants of Taiwan

  • Acanthephippium striatum Lindl.
    一葉罈花蘭    

    形態特徵

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

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    相關連結

    作者

    SU, Horng-Jye

    形態特徵

    • Roots 3-4 mm in diam., densely hairy. Pseudobulbs elongate clavate, 6-15 cm long, fleshy, base 1-2 cm in diam., gradually tapering toward apex, narrowed into petiole, nodes 2-4, scales at nodes membranaceous.
    • Leaves solitary, rarely 2, shortly petioled, oblong, 20-30 cm long, 7-10 cm wide, strongly plicate, mainly 5-nerved, apex acute, base decurrent; petiole articulated with pseudobulb. Scape 10-13 cm tall, base with many membranaceous scales; bracts ovate-oblong, 3 cm long; pedicel and ovary 3-3.6 cm long, glabrous.
    • Flowers 4 or 5, crowded, with red stripes, tubular, 3.5-4.5 cm long; dorsal sepal elliptic, 2.3-2.5 cm long, 1.1-1.3 cm wide, obtuse; lateral sepals adnate to foot of column, triangular-falcate, 2.8-3.5 cm long, base 2.7 cm wide, oblique, apex acute, mentum with narrow tip; petals spatulate, 2-2.3 cm long, 1 cm wide, apex acute or obtuse, base narrowed; lip included in mentum, sagittate, 2.5 cm long, base long-clawed, apex 3-lobed, lateral lobes falcate, 1 cm long, central lobe triangular, with red spots or patches, disc with a yellow raised ridge between lateral lobes; column ca. 1 cm long, slightly curved, foot 1.8 cm long, often with red stripes and spots; anther white, 4 mm long, apex sharply pointed; pollinia clavate, 2-3 mm long, in 2 groups of 4, attached to a soft caudicle; rostellum exserted beyond stigma.
    • Capsules erect, 5-6 cm long.
    • Chromosome number: A somatic chromosome count of 2n = 48 for a plant collected from Pinglin, Taipei Hsien, Taiwan.

    物候

    Flowering season: March to Apirl.

    分布

    World: The Himalaya, Indochina, southern China, Malaysia and Java.
    Taiwan: In broad-leaved forests below 1500 m throughout the island.

    引證標本

    TAIPEI: Kingpingshan, Su 9007; Wulaishan, Su 7139*. ILAN: Nanao, Su 7852. HSINCHU: Chienshih, Su 7414. KAOHSIUNG: Liukuei, Su 36. PINGTUNG: Ako, Matuda s. n. Apr 1918. TAITUNG: Tapushan, Su 103.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 737.
    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): 203.

    本種於 1977 年由 Ying, S.S. 在台灣記錄到後,目前已有 3 種學名、 3 種中文名及 1 種其他語言俗名曾在台灣被使用。

    本種共有 5 份 典藏標本

    <em>Acanthephippium striatum</em> Lindl.一葉罈花蘭