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Carex kobomugi

海米

Carex kobomugi Ohwi
名彙資訊
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相關資訊

名彙資訊

學名發表文獻

Ohwi, Memoirs of the College of Science, Kyoto Imperial University. Series B. Biology 5: 281. 1930.  (Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol.)

台灣首次記錄發表文獻

Koyama, Flora of Taiwan 5: 366. 1978.  (Fl. Taiwan, 台灣植物誌)

異名

各語言俗名

  • 蒒草. 禹餘糧. 自然穀.
  • ふでぐさ. こうぼうむぎ.

參考文獻

  • 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

  • Generally dioecious; rhizome long-creeping, branched, to 1 m long, many-nodose, enlarged at base of culm, internodes 2-5 cm long, 2-6 mm thick. Culms erect, rigid, 7-25 cm tall, 2-3 mm thick, obtusely trigonous, smooth or scabrid.
  • Leaves rather many, recurved, 4-8 mm wide, coriaceous, fresh green, scabrous on margins; sheaths elongated, pale green, stained with light brown.
  • Inflorescence of both sexes ovoid to ellipsoid or cylindrical, subterete, 3-7 cm long, 1.5-2.5 cm wide, densely bearing many spikes; bracts scale like excepted lowest one. Spikes ovoid to ellipsoid, 1-1.5 cm long; pistillate spikes densely bearing 8 to 15 flowers; staminate ones closely bearing more than 25 flowers.
  • Pistillate glumes erect patent, ovate to narrowly ovate, usually dentate at acute apex, 9-13 mm long, costa excurrent to a long scabrous awn. Utricles, ovate to oblong, rounded at base, 8-12 mm long, compressed, trigonous, strongly spongy, finely many-veined, yellow-greenish and becoming dark brown when mature, somewhat shiny, narrowly winged margins irregularly serrulate-scabrous on upper part, beak long, slightly recurved, 2-cleft. Achenes loosely contained, obovate, 5 mm long, compressed, trigonous; style elongated, slightly thickened at base; stigmas 3.

分布

  • 台灣 : sandy coasts of north part.
  • 世界 : Ussuri, Japan, Korea, northeastern China and neutralize to North America.

參考文獻

典藏標本

共有 2 份典藏標本

    022663
    佐佐木舜一 S.Sasaki, Yosiwo Yamasaki
    台北 Taipei
    022645
    佐佐木舜一 S.Sasaki, Y.Yamasaki
    Keelung

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