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Plants of Taiwan

  • Calanthe alismifolia Lindl.
    細點根節蘭    

    形態特徵

    TYPE! <em>Calanthe alismifolia</em> Lindl.

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    相關連結

    作者

    SU, Horng-Jye

    形態特徵

    • Plants 35-40 cm tall. Pseudobulbs closely aggregated, clavate, 2-4 nodose.
    • Leaves 2 or 3, elliptic, 15-20 cm long, 5-6.5 cm wide, acuminate, glabrous above, minutely pilose below; petiole 10-20 cm long, slender, dilated at base.
    • Scapes slender, ca. 30 cm tall, with few ovate or lanceolate scales below; rachis 3-5 cm long, with rather dense flowers opening successively; bracts lanceolate, 1 cm long, pubescent outside; pedicel and ovary 13-15 mm long, short pubescent. Flowers white; sepals white inside, greenish, with minute scattered black dots and short hairs outside, obovate, 7 mm long, 4 mm wide, acute at apex, contracted at base, keeled outside; petals obovate, 6 mm long, 4 mm wide, subacute at apex, contracted at base; lip whitish, tinged with purple near base, spurred, 3-lobed, lateral lobes linearfalcate, 8 mm long, 3 mm wide, central lobe orbicular-obovate, 12-14 mm long, 13 mm wide, rounded and deeply 2-lobed, base contracted into a short claw, disc with thick lobed yellow calluses at base, callus pubescent at center; spur ca. 1 cm long, slender, sometimes bifid at apex; column whitish, rather short, 2-3 mm long, laterally protruding downward and connate with base of lip; anther cordate, ca. 2.5 mm long; pollinia clavate, 1.5 mm long, attached to a clavate viscidium; stigma 2-parted; rostellum deeply 2-lobed, lobes rounded at apex.

    分布

    World: Southern Japan, the Ryukyus, southwestern China and the Himalaya.
    Taiwan: In broadleaved forests and conifer plantations at ca. 1,000 m in the northern part of the island.

    引證標本

    TAIPEI: Tungyuenshan, Su & Chen 8366, 9065. TAOYUEN: South Chiatienshan, Su & Chen 7874*, 8297. HSINCHU: Wutzeshan, Su et al. 8831.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 778.

    本種於 1978 年由 Liu & Su 在台灣記錄到後,目前已有 2 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 11 份 典藏標本

    <em>Calanthe alismifolia</em> Lindl.細點根節蘭