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Plants of Taiwan

  • Cheirostylis octodactyla Ames
    羽唇指柱蘭    

    形態特徵

    TYPE! <em>Cheirostylis octodactyla</em> Ames

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    相關連結

    作者

    LEOU, Chong-Sheng

    形態特徵

    • Stems ascending from a short creeping rhizome, up to 15 cm tall, leafy upward, rhizome bearing prominent root-ridges at internodes.
    • Leaves 5-7, well-spaced or upper ones slightly congested, ovate, pale green on both surfaces, 1-3.2 cm long, 0.5-1.5 cm wide.
    • Raceme terminal, subtended by 2-3 congested bracts; peduncle less than 1 cm long, hairy, with 1-3 flowers; bracts ovate, acuminate, pale green, glabrous. Flowers white, tube-like, glabrous; ovary glabrous, 1 cm long; sepals white, connate for 2/3 their length to form a swollen tube, 8-10 mm long; petals white, elongate-spatulate, 8-10 mm long; lip tripartite, 12-13 mm long, hypochile shallowly saccate, containing tufted papillae at base, mesochile concave, constricted toward epichile, epichile bilobed, basal part of blade with a pair of green spot, lobes 4-5-laciniate, lacinae 4-5 mm long; column erect, 5-6 mm long; stylids parallel and subequal in length to rostellum; anther 1.5 mm long, much shorter than rostellum; pollinia 2, ovoid-clavate, about 1.5 mm long, attached to tegula stipe; stigma 2, on base of rostellum; rostellar arms 4 mm long, tegula stipe narrowly lanceolate, 4 mm long, viscidium lanceolate, 3 mm long.
    • Capsules fusiform-ellipsoid, 1.2-1.6 cm long, borne on peduncle lengthened after anthesis.

    分布

    World: Philippines.
    Taiwan: In forest at elevations from 1,500 to 2,400 m, often found along the mountain ridges.

    引證標本

    HSINCHU: Kuanwu, Lin 176. TAICHUNG: Meifong, Leou 4133. NANTOU: Chitou, Leou 3209; Hoshe, Leou 3266. CHIAYI: Alishan, Su 8171. TAITUNG: Chaikualan, Leou 3722; Dousan, Su 8905.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 800.

    本種於 2002 年由 Ormerod 在台灣記錄到後,目前已有 4 種學名、 3 種中文名及 2 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>Cheirostylis octodactyla</em> Ames羽唇指柱蘭