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Plants of Taiwan

  • Nervilia taiwaniana S.S. Ying
    單花脈葉蘭   Endemic

    形態特徵

    TYPE! <em>Nervilia taiwaniana</em> S.S. Ying

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    相關連結

    作者

    SU, Horng-Jye

    形態特徵

    • Plants 5-15 cm tall. Corms whitish, nearly globose, 0.8-1.5 cm across, usually 3-nodose.
    • Leaves petiolate, pale green or green and sometimes marked with dark green along veinlets on upper surface, purplish along major veins on lower surface, polygonal-cordate, 3-4.5 cm across, apex acute, cordate at base, obscurely wavy or nearly entire along margins, edge slightly angled at ends of major veins; petiole 2-5 cm long.
    • Peduncle pale green, sometimes with purple spots, 4-10 cm tall, ca. 1.5 mm in diam., with 2-3 sheaths below, sheaths lanceolate, 1-2 cm long; bracts ovate-lanceolate, 4-6 mm long, 2 mm wide; pedicel slender, 4-6 mm long; ovary enlarged, 4-6 mm long. Flowers solitary, perianth not widely spreading; sepals pale green to greenish brown, with purple veins, linear-lanceolate to linear, 18-20 mm long, 2.2-3 mm wide, acute or acuminate at apex, lateral ones slightly oblique; petals similar to sepals, 16-18 mm long, 2 mm wide, acute; lip whitish, with small purplish dots consisting of cluster of hairs, elongate oblong or oblanceolate, 16-20 mm long, 5-8 mm wide, with incurved narrow base surrounding column, 3-lobed near middle, lateral lobes triangular, erect beside column, 2 mm long, midlobe spreading, elliptic to oblong or elongate obovatae, apex acute, disc with longitudinal keel running from midlobe to near base, lower half of keel with white hairs and longitudinally sulcate; column white, clavate, 6-7.5 mm long, distinctly dilated at apex, ventral side with cluster of white hairs below stigma; anther yellowish white, short cucullate, 2 mm tall; pollinia clavate, 1.8 mm long; stigma semiorbicular, concave; rostellum short ligulate.

    分布

    World: Japan and the Ryukyus.
    Taiwan: Forests, 500-2,000 m in the central and southern mountains.

    引證標本

    MIAOLI: Taping, Lin 413. TAICHUNG: Tashuehshan, Lin 49. NANTOU: Tungpu, Ying 1915; Su 8357; Pashienshan, Su 8165; Shanlinchi, Su 9280. PINGTUNG: Wutai, Su & Wu 9581.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 978.

    本種於 1978 年由 Ying, S.S. 在台灣記錄到後,目前已有 3 種學名、 1 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>Nervilia taiwaniana</em> S.S. Ying單花脈葉蘭