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Fimbristylis eragrostis

紫穗飄拂草

Fimbristylis eragrostis (Nees & Meyen ex Nees) Hance
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名彙資訊

學名發表文獻

Hance, The journal of the Linnean Society of London. Botany 13: 132. 1873.  (J. Linn. Soc., Bot.)

台灣首次記錄發表文獻

Koyama, Flora of Taiwan 5: 251. 1978.  (Fl. Taiwan, 台灣植物誌)

異名

各語言俗名

  • かぜくさてんつき.

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

  • Perennial with obliquely ascending rhizome clothed with dark brown scales and their fibrous remnants; culm solitary to more or less tufted, 10-70 cm by 1-3 mm, acutely 4-5-angular, smooth.
  • Leaves basal, many; blades linear, 5-20 cm by 1.5-5 mm, obtuse, flattish, patent to recurved, often becoming more or less falcate, herbaceous, light green, glabrous, scabird on upper margins; sheaths 1-3 cm long, brown or yellowish brown, eventually disintegraing into dark brown fibers; ligule absent.
  • Inflorescence simple to compound, subdense to loose, 2-8 cm long and as wide; involucre bracts nearly setaceous, 2-5, longest 0.5-2 cm long; primary branches 2-6, unequal, 1-6 cm long. Spikelets 12-many per inflorescence, solitary or partially clustered, oblong to lanceolate-oblong , 6-11 mm by 2-4 mm, acute, compressed or subterete, yellowish brown, tinged with purple or dark brown, distichously bearing 8-17-flowers.
  • Glumes 8-25 per spikelet, broadly ovate, 2.5-5 mm by 2-3 mm, folded chartaceous, yellowbrown and usually tinged with dark brown, slightly shiny; keel acute, 1-nerved. Stamens 3; anthers 1-1.25 mm long. Style triquetrous, slightly dilated at base, glabrous to sparsely ciliate above; stigmas 3. Achenes broadly obovate, trigonous, 0.7-1 mm by 0.6-0.9 mm, light straw colored, verrculose.

分布

  • 台灣 : in grassy hillsides on low mountains.
  • 世界 : India, Sri Lanka, Indochina, Malesia, northern Australia and southern China.

引證標本

PINGTUNG: Hengchun, Suzuki 4917.

引用文獻

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共有 1 份典藏標本

    025108
    鈴木時夫 Suzuki-Tokio
    屏東 Pingtung

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