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Plants of Taiwan

  • Yoania 長花柄蘭屬

    SU, Horng-Jye

    本屬共有 2 種

    Terrestrial stout leafless saprophytes. Rhizomes thick, much-branched. Peduncle stout, fleshy, with cucullate sheaths. Inflorescence terminal, with few to many racemose flowers; pedicel and ovary much longer than flowers. Flowers with subspreading perianth, fleshy; sepals and petals free, oblong; lip adnate to short foot of column, limb fleshy, obtusely apiculate, with large saccate, obtuse spur below and extending anteriorly; column short, with 2 erect acute processes on front top; anther erect on column- top, long beaked, dorsally 2-celled; pollinia 4, 2 pairs, pulpy granular, attached to common viscidium; stigma concave, transversely broadened; rostellum obscure. Capsules on long pedicel, nodding or spreading.

    Two species, China and Japan, one species in Taiwan.

    Data Source

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 1070.

    Referance

    Chang, N. H. and T. P. Lin. 1990. The rediscovery and taxonomic treatment of a saprophytic orchid Yoania japonica Maxim. var. squamipes Fuk.. Bull. Taiwan For. Res. Inst. New Series. (台灣省林業試驗所研究報告季刊). 5(4): 259 - 262.