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Plants of Taiwan

  • Dendrobium falconeri Hook.
    紅鸝石斛    

    形態特徵

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    相關連結

    作者

    SU, Horng-Jye

    形態特徵

    • Stems usually pendent, terete, much branched, 30-40 cm long, slender but discontinuously dilated throughout, forming many dark purple pseudobulbs; pseudobulbs obliquely fusiform, 2-3 cm long, 4-6 mm wide, with 1 or 2 nodes bearing many sheath-fibers.
    • Leaves linear, 5 cm long, 3 mm wide; obtuse and shortly mucronate at apex, contracted at base, articulated with sheath.
    • Racemes lateral, arising from nodes of pseudobulb, 1- or rarely few-flowered, with tube-like spathe at base; bracts ovate, hyaline; pedicel and ovary 1.5 cm long. Flowers showy, light purple but turning dark-purple toward apex of sepals and petals, ca. 3.5 cm in diam.; dorsal sepal ovate-lanceolate, ca. 3 cm long, 8 mm wide, apex acuminate, slightly contracted at base, 7-nerved; lateral sepals linear-lanceolate, ca. 3.5 cm long, 8 mm wide, apex acuminate, oblique at base and adnate to foot of column forming saccate mentum ca. 5 mm long; petals ovate-rhomboid, 3.3-3.6 cm long, 1.8-2.1 cm wide, apex acute, base cuneate, 5-nerved; lip ovate, 3.2-3.5 cm long, 1.8 cm wide, apex acute, base cuneate, 3-lobed, lateral lobes yellow, semi-orbicular, suberect, terminal lobe, nearly white, purplish toward apex, triangular-ovate, 1.7-2 cm long, 1.6 cm wide, disc shortly hirsute, usually with darkish purple patch between lateral lobes; column 4-5 mm long, foot nearly as long, 3 mm wide; anther elongate cup-like, shortly hirsute; pollinia oblong, 2 mm long.

    分布

    World: From southern China to the Himalayan region, India, Myanmar and Thailand.
    Taiwan: Forests at ca. 1,000 m in the north and center.

    引證標本

    TAIPEI: North Chiatienshan, Su s. n. Jun 1972. HSINCHU: Chutung, Segawa s. n. Jan 1936. MIAOLI: Nanchuang, Hsu, s. n. Nov 1972. TAICHUNG: Tungshih, Sasaki s. n. Jul 1932. NANTOU: Chitou, Su 87; Shanlinchi, Su 9270. TAITUNG: Linung, Segawa s. n. Jan 1933.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 842.

    本種於 1896 年由 Henry 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 4 份 典藏標本

    <em>Dendrobium falconeri</em> Hook.紅鸝石斛