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Fimbristylis polytrichoides

高雄飄拂草

Fimbristylis polytrichoides (Retz.) Vahl
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名彙資訊

學名發表文獻

Vahl, Enumeratio Plantarum 2: 248. 1805.  (Enum. Pl.)

台灣首次記錄發表文獻

Koyama, Flora of Taiwan 5: 240. 1978.  (Fl. Taiwan, 台灣植物誌)

異名

各語言俗名

  • たかおてんつき.

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

  • Annual or perennial without rhizome; culms esely tufted, 5-30 cm by 0.3-0.7 mm, terete to trigonous, smooth, shallowly striate, glabrous, clothed at base with a few bladeless sheaths.
  • Leaves basal, very few; blades filiform, to 4cm by 0.2-0.5 mm, obtuse, canaliculate, often reduced to bladeless sheath; sheaths 1-4 cm long, yellowish brown, truncate at orifice; ligule a row of short hairs.
  • Inflorescence a single, terminal or pseudo-lateral spikelet, more rarely 1-2 lateral spikelets added; involucre bract 1, scale-like, midvein occasionally prolonged beyond scale apex into a setaceous blade 3-12 mm long. Spikelet ellipsoidal to oblong-ovate, 5-15 mm by 2.5-4 mm, acute, terete, densely many flowered.
  • Glumes many per spikelet, spiral, elliptic to oblong-elliptic, 2.5-3.2 mm by 1-1.3 mm, obtuse, lowest 2 sterile glumes acute, thinly membranaceous, pale brown on upper part, pale and hyaline on margins, keel green, 1-nerved, hardly reach glume apex. Stamens 1-2; anthers 0.8-1 mm long. Style flat, filiform above middle, slightly dilated at base, sparsely ciliate at top; stigmas 2. Achenes obovate, 0.8-1 mm long by 0.5-0.7 mm, biconvex, shortly stipitate, greyish black to greyyish purple at maturity, minutely cancellate with 15-30 vertical rows of tansversely linear epidermal cells, often verruculose on upper part.

分布

  • 台灣 : in open, wet grounds, especially in sandy soil.
  • 世界 : Tropical regions of the Old World.

引證標本

KAOHSIUNG: Kaohiung, Shimada s. n.

引用文獻

典藏標本

共有 1 份典藏標本 所有標本模式標本

    T01397
    島田彌市 Y.Shimada
    高雄 Kaohsiung

    共有 1 份典藏標本所有標本模式標本

      T01397
      島田彌市 Y.Shimada
      高雄 Kaohsiung

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