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Mariscus compactus

密穗磚子苗

Mariscus compactus (Retz.) Druce
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名彙資訊

學名發表文獻

Druce, Report. Botanical Exchange Club. London. 1916: 634. 1917.  (Rep. Bot. Exch. Club)

台灣首次記錄發表文獻

Koyama, Flora of Taiwan 5: 286. pl. 1344. 1978.  (Fl. Taiwan, 台灣植物誌)

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特徵描述

生活型

herb

形態特徵

  • Rather coarse perennial with short, often corm-like rhizome. Culms solitary or few together, erect, 50-100 cm tall, 3-6 mm thick, subterete, rather soft, more or less septate-nodulose.
  • Leaves few, slightly longer or shorter than culm; blades elongated, linear, 5-9 mm wide, thickish, flattish, markedly septatenodose; sheaths elongated, cylindrical, septate-nodose, purplish brown.
  • Corymbs compound, ample, 6-18 cm long; rays 6-9, patent, longer ones to 15 cm long; secondary corymbs with 4-9 raylets to 2 cm long; spikes nearly globose, 8-20 mm across, bearing many spikelets; leafy bracts 3 to 5, much exceeding corymb. Spikelets jointed at base, radiate, lanceolate to subulate, 5-11 mm long, 0.8-1 mm wide, 3-to 7-flowered, pale green and tinged with sanguineous brown; rachilla with pale-white hyaline wings, jointed above prophyll.
  • Glumes erect, appressed to rachilla, linear-oblong, obtuse or suddenly acute at apex, 3-3.5 mm long, pale brown, often tinged with sanguineous brown, slightly shiny, 5-7-nerved back greenish. Achenes linear-oblong, trigonous, 1/2-3/5 as long as glume, yellowish brown, minutely puncticulate; style of medium length; stigmas 3. Stamens 3.

分布

  • 台灣 : Marshy places at low altitudes, also in rice fields.
  • 世界 : From Madagascar through India and Nepal to southern China and Malesia.

引證標本

CHIAYI: Chiayi, Shimada 4469. KAOHSIUNG: Neimen, Suzuki s. n. Nov 1934.

引用文獻

典藏標本

共有 8 份典藏標本

    289574
    王家成 Chia-Chen Wang
    台南 Tainan
    289573
    王家成 Chia-Chen Wang
    台南 Tainan
    023994
    鈴木重良 S.Suzuki
    高雄 Kaohsiung
    023993
    Yaiti Simada
    南投 Nantou
    024215
    Yaiti Simada
    南投 Nantou
    P65265
    中原源治 Genji Nakahara
    屏東 Pingtung
    289572

    155588
    T.L.Lin
    高雄 Kaohsiung

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