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Plants of Taiwan

  • Bletilla 白及屬

    SU, Horng-Jye

    本屬共有 1 種

    Terrestrial herbs. Stems slender. Basal pseudobulbs dilated. Stems short, erect, leafy apically, enclosed by tubular sheaths at base. Leaves 4-6, convolute, mostly narrow, plicate, sheathing at base. Racemes terminal, 2-10-flowered; peduncle slender; simple or sometimes branched; bracts caducous. Flowers often opening successively; sepals and petals nearly equal, free, erect or somewhat spreading; lip adnate to base of column, 3-lobed, lateral lobes erect, slightly embracing column, terminal lobe slightly recurved, disc with many longitudinal ridges; column slender, slightly arching, winged on each side near top, without foot; anther terminal, nearly incumbent, 2-celled; pollinia 8, laterally flattened, mealy, nearly equal or 4 smaller, connected by short caudicles in 2 groups to small viscidia; stigma entire, transversely narrowed; rostellum semiorbicular, undivided.

    About 6 species. Mainly in China and Japan. Only one variable 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: 758.