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Disperis neilgherrensis

蘭嶼草蘭

Disperis neilgherrensis Wight
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名彙資訊

學名發表文獻

Wight, Icones Plantarum Indiae Orientalis 5: t.1719. 1852.  (Icon. Pl. Ind. Orient.)

台灣首次記錄發表文獻

Liu & Su, Flora of Taiwan 5: 977. 1978.  (Fl. Taiwan, 台灣植物誌)

異名

各語言俗名

  • 雙袋蘭. 蘭嶼草蘭. 遠東雙袋蘭.

參考資料

  • Yang, A list of plants in Taiwan . 1982.  (List Pl. Taiwan, 台灣植物名彙)

特徵描述

生活型

herb

形態特徵

  • Plants 5-15 cm tall. Tuberoids nearly erect, ovoid or ellipsoid, 8-20 mm long, pilose. Stem straight, simple, fleshy, terete, purplish, remotely 2-leaved, sheathed at base.
  • Leaves erect-patent, pale green, upper surface with large green patches, lower surface purplish, more or less fleshy, orbicular-ovate or cordate, 8-15 mm long, 5-13 mm wide, apex acute, base clasping, embracing stem, glabrous, with distinct veins.
  • Peduncle 5-15 mm long, raceme 2 or 3-flowered; bracts leafy, ovate, ca. 10 mm long, 5 mm wide, upper ones smaller; pedicel and ovary straight, ca. 8-10 mm long, glabrous, slightly angled. Flowers pink or nearly white but tinged with purple; dorsal sepal lanceolate, 5-7 mm long, 1 mm wide, apex acute, 1-nerved; lateral sepals pendulous, connate near base, oblique, falcate-ovate, 6-8 mm long, 3.5 mm wide, with conic sac at center; petals forming hood with dorsal sepal, semiorbicular-falcate, 6 mm long, 2mm wide, acute, often undulate along outer margins; lip nearly white, cross shaped when expanded, ca. 5 mm long and wide, base erect, cuneiform, confluent and parallel to column, folded downward from lateral lobes, terminal lobe confluent with lip base, ending in papillose appendage, lateral lobes horizontally spreading, yellow-papillose on upper surface; column with an erect broad rostellum at apex; anther nearly horizontal at base of column, locules distinct, slightly divergent basally; pollinia with caudicle and viscidia ca. 1.5 mm long; viscidia triangular; rostellum spathe-like, produced on both sides into long coiled arms.

分布

  • 台灣 : the Hengchun Peninsula and Lanyu Is.
  • 世界 : The Ryukyus and Thailand.

引證標本

PINGTUNG: Laofoshan, Lu s. n. Jul 1975. TAITUNG: Lanyu Is., Su 9068*; Leou 3838.

引用文獻

典藏標本

共有 1 份典藏標本 所有標本模式標本

    T00028
    福山伯明 N.Fukuyama

    共有 1 份典藏標本所有標本模式標本

      T00028
      福山伯明 N.Fukuyama

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