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Plants of Taiwan

  • Pomatocalpa undulatum (Lindl.) J.J. Sm. ssp. acuminata (Rolfe) S. Watthana & S.W. Chung
    黃繡球蘭    

    形態特徵

    TYPE! <em>Pomatocalpa undulatum</em> (Lindl.) J.J. Sm. ssp. <em>acuminata</em> (Rolfe) S. Watthana & S.W. Chung

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    相關連結

    作者

    SU, Horng-Jye

    形態特徵

    • Stems 2-3 cm long.
    • Leaves few, yellowish green, linear, 8-20 cm long, 1.5-3 cm wide, apex unequally 2-lobed, conduplicate toward base, articulated with short sheath.
    • Racemes 1.5 cm long; bracts oval, 2.5-3 mm long, 2-2.3 mm wide; pedicel and ovary 4-6 mm long. Flowers 6-10, densely aggregated or subcorymbose, yellow, ca. 8 mm in diam.; sepals with 2 dark purplish transverse bands, obovateoblong, 4-5 mm long, 2-3 mm wide, obtuse at apex, slightly contracted at base, lateral ones slightly larger, oblique; petals with dark purplish patches near base, oblong-falcate, 4-5 mm long, 1.5-2.5 mm wide; lip mainly with a yellow spur and a white midlobe, lateral lobes triangular, erect, 1 mm wide, midlobe broadly triangular or semi-orbicular, 3 mm long, 3.5 mm wide, 2-keeled at base, spur dorsally compressed, 3 mm long, 4 mm wide, with an appendage on back wall blocking opening, appendage truncate, slightly serrate at apex, cuneate at base; column ca. 2 mm long; anther cap ovate-orbicular, ca. 1.5 mm across; pollinia globose, ca. 0.5 mm in diam.; rostellum thick, 2-toothed at apex.

    分布

    Taiwan: Forests at low elevations in the center and south.

    引證標本

    KAOHSIUNG: Liukei, Su 581*; Sanping, Su 9279. PINGTUNG: Linungshan, Su 9434.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 1022.

    本種於 2007 年由 Watthana & Chung 在台灣記錄到後,目前已有 4 種學名、 1 種中文名及 2 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>Pomatocalpa undulatum</em> (Lindl.) J.J. Sm. ssp. <em>acuminata</em> (Rolfe) S. Watthana & S.W. Chung黃繡球蘭