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Plants of Taiwan

  • Herminium lanceum (Thunb. ex Sm.) Vuijk var. longicrure (C. Wight ex A. Gray) Hara
    腳跟蘭    

    形態特徵

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    相關連結

    作者

    SU, Horng-Jye

    形態特徵

    • Plants 20-40 cm tall. Tuberoids ovoid or ellipsoid, 1-3 cm long. Stems slender, 10-20 cm long, with 1 or 2 sheathing scales near base.
    • Leaves 3 or 4, linear or linear-lanceolate, 10-20 cm long, 0.7-1 cm wide, apex acuminate, base narrowed into sheath enclosing stem.
    • Inflorescence 10-20 cm long, with few scales below; bracts lanceolate, 5-9 mm long, pedicel and ovary nearly as long as bracts. Flowers dense, 50 or more, green, ca. 1 cm long; sepals ovate-oblong, 3-4 mm long, 1.2-1.5 mm wide, apex obtuse, mainly 1-nerved; petals narrowly oblong or lanceolate, 3-4 mm long, 0.6-0.8 mm wide, contracted at base; lip spreading, long rectangular, lower part undivided, 3-5 mm long, 1 mm wide, base slightly saccate, obscurely auriculate laterally, upper part deeply 3-lobed, midlobe 0.5 mm long, lateral lobes linear, 2-5 mm long, 0.5 mm wide, often recurved near tip; column ca. 0.6-1 mm long; staminodes whitish, with clavate stalk ca. 0.5 mm long.

    分布

    World: The Himalaya, India, China, Korea, Japan, Thailand and Malaysia.
    Taiwan: Open grasslands from low to high elevations.

    引證標本

    TAIPEI: Wulai, Su 1501*. ILAN: Nanhutashan, Su 727, 7263. TAICHUNG: Wuling, Su 7929. NANTOU: Patungkuan, Su 9396; Meifong, Su 9543. CHIAYI: Alishan, Yamamoto & Mori, s. n. Nov 1932. PINGTUNG: Peitawushan, Su et al. 9357.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 924.

    本種於 1978 年由 Liu & Su 在台灣記錄到後,目前已有 2 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 39 份 典藏標本

    <em>Herminium lanceum</em> (Thunb. <em>ex</em> Sm.) Vuijk var. <em>longicrure</em> (C. Wight ex A. Gray) Hara腳跟蘭