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Plants of Taiwan

  • Platanthera brevicalcarata Hayata
    短距粉蝶蘭    

    形態特徵

    TYPE! <em>Platanthera brevicalcarata</em> Hayata

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    相關連結

    作者

    SU, Horng-Jye

    形態特徵

    • Plants 10-20 cm tall. Tuberoids stoloniform, 2-6 cm long, 2-5 mm thick, tapering toward apex, with bud producing from near apex. Stem ridged, with one or two large leaves near base and few successively smaller leaves in upper part.
    • Large leaves more or less petiolate, oblong-elliptic, 2-6 cm long, 1-3 cm wide, acute or obtuse at apex, base cuneate.
    • Inflorescence 3-8 cm long, 5-15-flowered; bracts lanceolate, 6-12 mm long, 3-5 mm wide, acute; pedicel and ovary 7-10 mm long. Flowers white; dorsal sepal concave, ovate or nearly orbicular, 2.5-3 mm long, 2-2.4 mm wide, obtuse, 1-nerved, sometimes slightly keeled abaxially; lateral sepals spreading horizontally, obovate-elliptic, slightly oblique, 4-5 mm long, 2-3 mm wide, apex obtuse, narrowed or cuneate at base, often concave at upper part and keeled abaxially; petals loosely connivent with dorsal petal, obliquely ovate, 2.5-3.5 mm long, 1.8 mm wide; lip oblong, 4-5.5 mm long, 2 mm wide, obtuse or rounded at apex, reflexed, spur short cylindrical, 3 mm long, apex rounded, slightly curved forward; column 1.5-2 mm tall; anther cells rather close, nearly parallel, staminodes whitish, nearly globose; pollinia ellipsoid, 1.2 mm long, caudicle ca. 0.6 mm long, viscidium globose or ellipsoid; stigma protruding between anther cells, rostellum convex, roofshaped.

    分布

    World: Japan.
    Taiwan: Coniferous, mixed coniferous and broadleaved forests, 1600-3500 m, throughout. Epecially common under forests of Abies kawakamii.

    引證標本

    TAIPEI: Lalashan, Matuda s. n. Jul 1918. ILAN: Nanhutashan, Su 1169*; Su 7264. MIAOLI: Luchangtashan, Masamune s. n. Jul 1930. TAICHUNG: Hsehshan, Su 7936; Su 8007. NANTOU: Hohuanshan, Su & Chen 7936. Yushan, Su 9390. HUALIEN: Pilushan, Su et al. 9378. KAOHSIUNG: Kuanshan, Sasaki s. n. Jul 1932; Kuanshanling, Lin 466. PINGTUNG: Peitawu, Su et al. 9359.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 1011.

    本種於 1911 年由 Hayata 在台灣記錄到後,目前已有 1 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 93 份 典藏標本

    <em>Platanthera brevicalcarata</em> Hayata短距粉蝶蘭