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Plants of Taiwan

  • Peristylus goodyeroides (D. Don) Lindl.
    南投玉鳳蘭    

    形態特徵

    TYPE! <em>Peristylus goodyeroides</em> (D. Don) Lindl.

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    相關連結

    作者

    SU, Horng-Jye

    形態特徵

    • Tall erect herbs to 60 cm high. Tuberoids ovoid to fusiform, 2-4 cm long. Stem leafy from middle to upper part, 10-30 cm long, 4-6 mm thick, sheathing below.
    • Leaves 4-6, closely clustered or slightly spaced, green on th upper surface, pale on lower surface, membranaceous, mainly elliptic, variable in size, 6-15 cm long, 2-5 cm wide, apex obtuse or acute, decurrent at base.
    • Peduncle 10-15 cm long, with few linear-lanceolate scales; rachis 10-15 cm long; bracts longer than ovary, lanceolate, 12-15 mm long, 3 mm wide, acuminate; pedicel and ovary closed to rachis, 5-8 mm long. Flowers numerous, yellowish green; dorsal sepal concave, ovate, 4-5 mm long, 2.5-3 mm wide, apex acute; lateral sepals elliptic-cymbiform, 4-5 mm long, 2.5 mm wide, 1-keeled abaxially; petals obovate-rhombic, slightly oblique, 5 mm long, 3.5-4 mm wide, apex obtuse, contracted at base; lip orbicular, 3-lobed, 5-6 mm long, lateral lobes triangular-oblong, 2 mm long, 1 mm wide, central lobe ovate-orbicular, 3 mm across, obtuse or rounded at apex, spur nearly globose, 2 mm in diam.; column ca. 1.5-2 mm tall, with broad and large auricle on both sides; anther cells 1.5 mm long, rather close, slightly divergent below; pollinia ovoid, 1 mm long, caudicle 0.3 mm long, viscidia small, globose; stigma clavate, placed beside auricle; rostellum not protruding, triangular, with short lateral arms.
    • Capsules cylindrical-fusiform, ca. 1 cm long.

    分布

    World: Widespread in tropical and subtropical Asia.
    Taiwan: Forests, from lowlands to ca. 2000 m in the center and south.

    引證標本

    NANTOU: Hoshe, Su 684*; Meishihshan, Kawakami & Mori 3471. KAOHSIUNG: Matuda s. n. Jan 1917. PINGTUNG: Sheting, Su 8017; Hengchun, Su s. n. Sep 1985.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 995.

    本種於 1977 年由 Lin 在台灣記錄到後,目前已有 4 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 15 份 典藏標本

    <em>Peristylus goodyeroides</em> (D. Don) Lindl.南投玉鳳蘭