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Plants of Taiwan

  • Cheirostylis chinensis Rolfe
    台灣指柱蘭    

    形態特徵

    TYPE! <em>Cheirostylis chinensis</em> Rolfe

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    相關連結

    作者

    LEOU, Chong-Sheng

    形態特徵

    • Rhizomes creeping, up to 10 cm long, ascending and leafy above, erect leafy stem, 1-2 cm long.
    • Leaves 2-5, congested, ovate to broadly ovate, 1-2.5 cm long, 0.5-2 cm wide, grayish green, acute at apex, rounded at base.
    • Peduncle hairy, up to 20 cm long, pale green, with 2-3 scales, scales ovate-lanceolate, glabrous or hairy at base; raceme with 1-9 flowers; floral bracts ovate-lanceolate, as long as ovary, glabrous or hairy at base. Flowers resupinate; ovary with glandular hairs, green; sepals connate for their half length, with glandular hairs, 4 mm long; petals falcate, white, 4 mm long, appressed to sepal tube; lip fan-shaped in outline, tripartite, hypochile concave, with 2 uniseriate lamellate papillae inside, mesochile claw-like, with hair-like cells on upper surface, epichile deeply bilobed, lobes 4-10- toothed at margins; column erect, 1.8-2.3 mm long; stylids parallel to and as long as rostellar arms; anther ovate, 1.5 mm long, pink at back; pollinia 2, oblong, 1.3 mm long, tapering, attached to tegula stipe; stigma 2, lateral, located between bases of rostellar arms and stylids; rostellum straight, 1.5 mm long, tegula stipe oblanceolate, 1.2 mm long; viscidium narrowly oblong, 1 mm long.

    分布

    World: China, Hongkong and the Philippines.
    Taiwan: Forests of low elevations in the center and south.

    引證標本

    NANTOU: Hoshe, Leou 3626; Sunlinksea, Leou 3801. KAOHSIUNG: Liukuei, Leou 3757a; Taoyuen, Su 8145. PINGTUNG: Hengchun, Su 7733; Lilungshan, Leou 3993.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 796.

    本種於 1896 年由 Henry 在台灣記錄到後,目前已有 2 種學名、 4 種中文名及 2 種其他語言俗名曾在台灣被使用。

    本種共有 10 份 典藏標本

    <em>Cheirostylis chinensis</em> Rolfe台灣指柱蘭