首頁   計劃介紹    

English Version

Plants of Taiwan

  • Rhomboda tokioi (Fukuy.) Ormerod
    白肋角唇蘭    

    形態特徵

    TYPE! <em>Rhomboda tokioi</em> (Fukuy.) Ormerod

    搜尋電子書

    相關連結

    作者

    LEOU, Chong-Sheng

    形態特徵

    • Stem erect, ascending from short or long creeping base, to 20 cm tall, leafy at upper half.
    • Leaves obliquely ovate-lanceolate, apex acute, obtuse or rounded at base, 3-9 cm long; 2-3 cm wide, chartaceous, upper surface dark green, lustrous, often with white stripe along midrib; petiole 2-3 cm long.
    • Peduncle hairy, to 20 cm long, with 2 or 3 hairy sheaths toward base; flowering portion of inflorescence 4-9 cm long, loosely 5-15-flowered; floral bracts hairy abaxially, margins ciliate. Flowers resupinate or not completely resupinate; ovary glabrous, slightly twisted and somewhat bent to front at apex, dark green; sepals reddish brown, sparsely hairy abaxially, 4-5 mm long, dorsal one ovate, concave, apex acute, lateral ones obliquely ovate, widely spreading; petals white or often tinged with green, obliquely ovate, 1-veined, 4-4.3 mm long, 3-3.3 mm wide; lip white, bipartite, 3.8-4.2 mm long, obscurely trilobed when expanded, hypochile consisting of an open sac ca. 2.5 mm long, longitudinally keeled, with palmate papillae on each side near base, distally constricted into epichile, epichile ovate, convolute or expanded like small terminal lobe; column suberect, 2-2.3 mm long, with 2 large pendent ventral appendages; anther broadly ovate; pollinia clavate, attached at tapered end to ovate viscidium; stigmatic lobes 2, convex, on sides of column, with sunken cavity between them; rostellum triangular, thin, bifid.

    分布

    World: Japan, the Ryukyus, Hongkong, the Philippines and Indonesia.
    Taiwan: In forests below 1,500 m in the north and center.

    引證標本

    TAIPEI: Wulai, Leou 3745; Peichiatienshan, Su 8076. ILAN: Nanao, Su 7807. HSINCHU: Litongshan, Leou 3435. NANTOU: Chitou, Leou 3517, 3573.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 926.

    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>Rhomboda tokioi</em> (Fukuy.) Ormerod白肋角唇蘭