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Plants of Taiwan

  • Anoectochilus koshunensis Hayata
    恆春金線蓮   Endemic

    形態特徵

    TYPE! <em>Anoectochilus koshunensis</em> Hayata

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    相關連結

    作者

    LEOU, Chong-Sheng

    形態特徵

    • Vegetative habit very similar to above species.
    • Leaves ovate or orbicular-ovate, 2-5 cm long, 1-3.5 cm wide, acute at apex, rounded at base, dark green or green and with prominent white network, or often with a prominent white midrib on upper surface, reddish purple on lower surface.
    • Inflorescence up to 20 cm tall; peduncle glandular hairy, bearing 2-3 bracts; bracts hairy; rachis 1-5-flowered; floral bracts ovate-lanceolate, hairy. Flowers non-resupinate, white; ovary with glandular hairs; sepals glandular hairy outside, dorsal one ovate, 5-6 mm long, laterals ones elliptic, 8-9 mm long; petals falcate, 5-6 mm long, appressed to dorsal sepal and with it forming a hood, hood recurved at apex; lip distinctly tripartite, white; hypochile produced into a spur, 10-12 mm long, spur perpendicular to ovary, with 2 peltate glands within; mesochile forming a channeled claw, 6-7 mm long, with unlobed or shallowly toothed lateral flanges on both sides; epichile bilobed, 8-9 mm long, lobes rectangular or oblong; column perpendicular to ovary, 4 mm long, with 2 ventral appendages; anther triangular-ovate, 3.5 mm long, straight at apex; pollinia clavate, 3.5 mm long, attached to a tegula stipe with their tapered ends; stigma 2, located at laterale sides of column, next to base of rostellum; rostellum straight, triangular, with inrolled edges, tegular stipe elliptic-oblong, 1.5 mm long, with minute viscidium at apex.

    分布

    Taiwan: Common in forests below 2,000 m throughout the island.

    引證標本

    TAIPEI: North Chiatienshan, Su 1386. TAOYUEN: Najye, Su 8554. ILAN: Peinan, Tagawa s. n. Jul 1934. NANTOU: Kuantaochi, Leou 3305; Chitou, Leou 3414. CHIAYI: Sanchiaonanshan, Leou 3796; KAOHSIUNG: Duona, Su 7539. PINGTUNG: Wutai, Lin 266. TAITUNG: Tamali, Lin 256; Lidau, Leou 3261. HUALIEN; Lohshaw, Lin 252.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 749.

    本種於 1914 年由 Hayata 在台灣記錄到後,目前已有 2 種學名、 2 種中文名及 2 種其他語言俗名曾在台灣被使用。

    本種共有 7 份 典藏標本

    <em>Anoectochilus koshunensis</em> Hayata恆春金線蓮